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6/4/2014

​SELECTION OF SPREAD FOOTINGS ON SOILS TO SUPPORT HIGHWAY BRIDGE STRUCTURES

2010 Final Spread Footing
6/4/2014

​Implementation Guidance for Using Spread Footings on Soils to Support Highway Bridges 


Implementation Guidance for Using Spread Footings on Soils to Support Highway Bridges
6/4/2014

FHWA Memorandum​ Implementation Guidance for Using Spread Footings on Soils to Support Highway Bridges”​

FHWA Memorandum
3/7/2014

 

Structure Management System (SMS) stakeholders,
 After discussions with the developers and ODOT staff, ODOT has made the decision to launch the new SMS in production mode “GO LIVE” the week of May 12, 2014.  
 The current Bridge Management System (BMS) will be switched to ‘read-only’ mode on April 3, 2014.  Therefore data in the BMS will not get updated after switching to read-only mode.  Any unapproved inspection reports or changes to inspection or inventory data must be submitted or made prior to April 2, 2014 in the current BMS or wait until after the new SMS goes live.
 SMS Training:
  • The Office of Structural Engineering will continue to provide open labs and will make video tutorials available.
  • Manuals, in development, will be imbedded into the SMS. 
  • Future Bridge Inspection Training, also in development, will incorporate changes associated with SMS and Element Level Inspections.

For further information regarding the SMS transition, logging into the test-site, software & hardware requirements, URL of SMS in production mode and any future announcements, please refer to the following web page: 

 

 

Structure Management System
4/8/2013
The “Steel Bridge Design Handbook” Volumes 1 through 19 and related design examples are now available on FHWA’s website.  Development of the Steel Bridge Handbook was funded from the SAFETEA-LU Higher Performing Steel Bridges designated program.  This handbook covers a full range of topics and design examples to provide bridge engineers and owners with the information needed to make knowledgeable decisions regarding the selection, design, fabrication, and construction of steel bridges. The handbook is based on the Fifth Edition, including the 2010 Interims, of the AASHTO LRFD Bridge Design Specifications.  This is the culmination of seven years of effort beginning in 2005 by many recognized experts in the steel bridge industry.  This Handbook may be downloaded free of charge from the attached link.
Steel Bridge Design Handbook
4/8/2013

The “Manual for Repair and Retrofit of Fatigue Cracks in Steel Bridges” is now available on FHWA’s website. Development of the Fatigue Repair Manual was initiated by the late Professor Robert Dexter from the University of Minnesota and finalized for publication by FHWA. It represents expert consensus guidelines that were gathered and vetted during a special fatigue workshop held at Lehigh University in 2002, with further revisions and updates made over the last decade.  This manual may be download free of charge from attached link.​

Manual for Repair and Retrofit of Fatigue Cracks in Steel Bridges
2/28/2012

This course is for bridge designers and engineers to learn how to load rate reinforced concrete frames and arches using AASHTO LFR & LRFR SpecificationsSession is closed.  Registration is full.

Seminar: Load Rating of RC Frames and Arches
11/15/2011

Federal Standard 595 Paint Spec Information
The following is made available to our customers as a reference point only.  See below for how to request the 595 specification from the US Government.  Contact your paint manufacturer such as Sherwin Williams for paint or additional information.​

Federal Standard 595 Paint Spec Information
9/19/2011

Technical Advisory
The purpose of this Technical Advisory is to provide recommendations regarding the in-service inspection of,​ and the treatment of critical findings identified on, fracture critical bridges fabricated from AASHTO M270 Grade 100 (ASTM A514/A517) steel, more commonly known as "T-1" steel.

Inspection of Fracture Critical Bridges
8/15/2011
BMS & Bridge Inventory Training: To train how to code BR87 & BR86 forms in the ODOT BMS using the ODOT Bridge Inventory Coding Guide (BICG); discuss and review new changes in the BICG and Federal Coding requirement; several examples will be discussed.
Registration
5/23/2011
Seminar on Load Rating of Masonry Arches on July 6, 2011.
This course is to train bridge designers and engineers how to load rate stone.
Registration
5/17/2011
Announcement
The Ohio Department of Transportation, Office of Structural Engineering, has developed library files for the state's standard I-beam and adjacent box beam sections; prestressing strands; live loads; and rebar for use with Bentley System Inc.'s Leap Conspan software.  ODOT encourages designers to utilize these section libraries for consistency in design and review of plans developed with this software.  ODOT does not endorse the use of Bentley System Inc.'s software package over other commercially available design software packages.
ODOT Leap Conspan Library
4/15/2011
Standard Bridge Drawing Revisions
  • Vandal Protection Fence (VPF-1-90)
Revisions & Updates
4/8/2011
LRFR Training Announcement
Due to over-whelming response to first LRFR training session next month and not being able to accommodate everyone, we have planned another LRFR training session on July 21, 2011, in ODOT Central Office Auditorium.
Registration
4/4/2011
The deployment of the new inspection program has been pushed back one week to Monday, April 11, 2011.  These applications will be affected:
BMRI New version 2.8.0.0
Will be release on Monday, April 11th following the Sunday upgrade to BMS.  This new release supports the new BMS database and is incompatible with the prior version of BMRI.  A conversion utility will be included within the install package to import old export databases into the new format(s).  However those inspection dates after the implementation and (obviously) uploaded after the implementation will not need to use this conversion utility i.e. business as usual.
For COBOL (CEAO Software, Inspectech):
New version online and updated txt files will be available after the implementation.  When inspection dates before 4/10/11are uploaded into BMS the following rules will be applied:
20. Gusset Plates - default to blank or "Space"
21. Lateral Bracing - default to blank or "Space"
48. Scour (left box) - default to blank or "Space", and remove the error code
49. Abutments - default to blank or "Space"
69. Default the new Survey Boxes (5, 6, 7 & 8) to "N"
BMS
New version will be available and it will only show the new inspection form after the implementation.  For bridges inspected before 4/10/11 and uploaded after this date inspectors will have to use the new format and they should use the default values (stated above) for the eight boxes that have changed definitions. 
Preprints will follow a similar format as the BMSWebreports but without a username and password and with more batch-printing capabilities.
3/28/2011
Load & Resistance Factor Rating Training
This course is meant to train bridge designers and engineers on the Load and Resistance Factor Rating (LRFR) requirements given in ODOT Bridge Design Manual (BDM), Section 900 which is based on AASHTO's Manual of Bridge Evaluation.
Description
2/28/2011

Training/Course Title: Bridge Inventory Coding Training (First training session is full now and we have added another session).
Purpose: To train how to code BR87 & BR86 forms in the ODOT BMS using the ODOT Bridge Inventory Coding Guide (BICG); discuss and review new changes in the BICG and Federal Coding requirement; several examples will be discussed.

Registration
2/25/2011

Bridge Inspection Training Course Announcement:
Bridge Inspection Level 1 - Basic (May 17, 18, 19 - ODOT District 9, Chillicothe)
Bridge Inspection Level 2 - Advanced (June 14, 15, 16 - ODOT District 9, Chillicothe)
Bridge Inspection Level 1 - Basic (September 20, 21, 22 - ODOT District 3, Ashland)
Bridge Inspection Level 2 - Advanced (October 11, 12, 13 - ODOT District 3, Ashland)

TO REGISTER, GO TO THE LINK BELOW (LTAP TRAINING FLYERS WEBSITE), SELECT THE APPROPRIATE COURSE AND FOLLOW THE INSTRUCTIONS :
2/18/2011

Training/Course Title: Bridge Inventory Coding Training 
Purpose: To train how to code BR87 & BR86 forms in the ODOT BMS using the ODOT Bridge Inventory Coding Guide (BICG); discuss and review new changes in the BICG and Federal Coding requirement; several examples will be discussed.

Registration
2/9/2011

MEMORANDUM ON LOAD RATING OF NEW BRIDGES
All new and replacement bridges, with preliminary design starting after October 1, 2010, and requiring load rating, shall be load rated at inventory and operating levels by the AASHTO LRFR method to comply with FHWA requirements. The load to be used for inventory and operating rating based on LRFR method shall be AASHTO’s HL-93 loading (truck & lane or tandem & lane), according to BDM Figure 902.
All bridges shall also be load rated for four Ohio Legal Loads (2F1, 3F1, 4F1, and 5C1) at operating level using the same method of analysis as used for inventory and operating ratings above. The four Ohio legal loads (2F1, 3F1, 4F1 and 5C1) are given in BDM Figure 903.
All trucks used for analysis shall have transverse spacing, between centerline of wheels or wheel groups, of 6 ft. [1.830 m].
For long span bridges as defined in BDM Section 905, use the special load configurations given in BDM Section 917.
The inventory and operating ratings for the AASHTO HL-93 loading shall be expressed in terms of rating factors, rounded off to the nearest two decimal points. The operating ratings for each of the Ohio Legal Loads shall also be expressed in terms of rating factors of respective legal load rounded off to the nearest two decimal points. The summary rating for all of the Ohio Legal Loads shall be the smallest rating factor of the four vehicles expressed as a percentage (i.e., multiplied by 100) and rounded off to the nearest 5 (125%, 100%, 65%, etc.)
BDM: ODOT Bridge Design Manual

2/8/2011

ODOT Manual of Bridge Inspection Update
The ODOT Office of Structural Engineering will be presenting details on the 2010 update of the ODOT Manual of Bridge Inspection. Topics include BR-86 modifications, condition appraisial clarification, and Inspection Program responsibility clarification. This class is intended for County, City, Village and Consultant staff members responsible for Bridge Inspection. Registrations will be accepted on a first come, first serve basis. There is no registration fee. This course is being offered through LTAP. Registration can be completed by filling out and submitting the course registration form located at the following link: http://www.dot.state.oh.us/Divisions/Quality/LTAP/Pages/TrainingCourseFlyers.aspx.

Training Course Flyers
1/26/2011
Memorandum  FHWA Geosynthetic Reinforced Soil Integrated Bridge System (GRS-illS) Interim Implementation.
FHWA GRS-JBS
 
10/1/2010

Manual of Bridge Inspection 2010
This revision will take affect April 2, 2011 however inspectors are encouraged to begin using this revised manual (except BR-86 Items 20, 49 and the last four boxes of 69). Paper copies, that are double-sided and tabbed, will be made available for purchase starting in November. Training sessions, for those interested, will be made available before April 2, 2011. Questions may be directed to Michael.Brokaw@dot.state.oh.us. Watch this website for more updates.

Manual of Bridge inspection 2010
9/22/2010

Bridge Inspection Level 1 - Basic
This course is intended for new bridge inspectors. It is part one of two and 100% attendance for both and a 70% or higher exam grade in Level 2 are required in order to pass the “Comprehensive Training Course” referenced in the NBIS (23CFR650c) and the Bridge Inspector's Reference Manual.

Bridge Inspection (Advanced - Level 2)
This course is intended for new bridge inspectors. It is part two of two and 100% attendance for both and a 70% or higher exam grade in Level 2 are required in order to pass the “Comprehensive Training Course” referenced in the NBIS (23CFR650c) and the Bridge Inspector's Reference Manual.

 
6/4/2010

"Draft" Bridge Inspection Manual - Comments
The Draft Manual of Bridge Inspection will be issued in September 2010. Please review, comment and send your comments prior to publishing.

 
5/10/2010
Revised Truss Gusset Rating Using LF & WS Methods (May 2010)
 
The Office of Structural Engineering has revised the spreadsheets used to rate gusset plates located on Load Rating Downloads Page.  The original file extension is xlsx, please change the extension after downloading the files.  Major changes were focused in Check No. 3: Minimum Rivet Count Requirement and Check No. 7: Gusset Plate Combined Planes Shear Rupture Resistance.  The formulas in Check No. 3 wre revised to calculate more accurately bearing capacities of fasteners on plates.  This is to comply with AASHTO 17th Edition 10.46.1.3. Check No. 7 uses the vertical and horizontal components of axial forces of truss members, and it applies them in the appropriate gusset plane to calculate global block shear capacity.  Some of these force components were reversed.  While bearing stress of fasteners and global block shear seldom control load rating, it is advised to double check the results.  For questions or comments, please email: Omar.Abu-Hajar@dot.state.oh.us
 

Disclaimer: The Office of Structural Engineering is providing this spreadsheet to facilitate the use of FHWA’s guidance for rating gusset plates on truss bridges. While bridge rating personnel are encouraged to use this spreadsheet for the reason of standardizing the rating procedures, they are responsible for the accuracy of input data, output results, and all calculations ensuring safety of the public.

Load Rating Downloads Page
4/23/2010
Bridge Inventory Coding Training
Bridge Inventory Coding Training
4/15/2010
2010 Second Quarter Revisions
Revisions have been made to the ODOT Bridge Design Manual, 2004, 2007.
Revisions & Updates
1/12/2010
2010 First Quarter Revisions
Revisions have been made to the ODOT Bridge Design Manual, 2004, 2007.
Revisions & Updates
1/7/2010
Bridge Load Rating Calculations Training
we have limited seating in the class room so register early and only if you are sure you will be able to attend.
Registration
12/2/2009

NOTICE TO BRIDGE DESIGNERS:

The guardrail post spacing on prestressed box beam bridges shall be referenced to each prestressed beam end.  Failure to show this dimensional reference in the bridge plans, often results in project delays while the fabricator requests information in order to finalize the shop drawings.  Refer to BDM Section 302.5.1 for additional detailing issues associated with guardrail post layout.

10/23/2009
Bridge Inspector Courses"Level 1&2"
Training Catalog
7/15/2009

2009 Third Quarter Revisions
Revisions have been made to the ODOT Bridge Design Manual, 2004, 2007. These revisions shall be implemented on all Department projects with a Stage 2 plan submission date after July 17, 2009.
In addition, 
The Standard Bridge Drawing, Noise Barrier Specifications for Ground Mounted Applications (NBS-1-09), has been revised. All projects sold after July 17, 2009 that reference NBS-1-09 should reference the revised drawing.

Revisions & Updates
6/26/2009
Load Rating Guidance and Examples For Bolted and Riveted Gusset Plates In Truss Bridges
Load Rating Guidance and Examples For Bolted and Riveted Gusset Plates In Truss Bridges
2/13/2009

Load Rating Guidance and Examples For Bolted and Riveted Gusset Plates In Truss Bridges

Gusset Guidance and Examples Binder -- release date February 1 2009
2/10/2009
Modifications for AASHTO LRFD Bridge Design Specifications to Incorporate or Update the Guide Specifications for Design of Pedestrian Bridges.
LRFD Ped Bridge Transmittal Version.doc
1/23/2009

Course: Stream Stability and Scour at Highway Bridges for Bridge Inspectors
Date: April 16, 2009
Time: 9:00 - 4:00 p.m.
Location: ODOT Central Office - Conference Room GA, 1980 West Broad Street, Columbus, OH
Cost: $220 per participant
Registration:
http://www.nhi.fhwa.dot.gov/home.aspx
Individuals wishing to enroll in the Scour course should simply search for that course and sign up online. They will need to create an account with NHI if they are new users. (Seating is limited)

Course Description
1/20/2009

Truss Gusset Rating Using Allowable Stress Method

The Office of Structural Engineering has two MS Excel spreadsheets for rating truss gusset plates. These spreadsheets are in compliance with FHWA's latest requirements dated December 18, 2008, using the allowable stress and the load factor rating methods. For examples on section cuts and illustrations of measurements, please follow the example provided in FHWA Bridge Design Guidance No. 1.

Disclaimer: The Office of Structural Engineering is providing this spreadsheet to facilitate the use of FHWA’s guidance for rating gusset plates on truss bridges. While bridge rating personnel are encouraged to use this spreadsheet for the reason of standardizing the rating procedures, they are responsible for the accuracy of input data, output results, and all calculations ensuring safety of the public.

 

 

 
1/16/2009

2009 First Quarter Revisions
Revisions have been made to the ODOT Bridge Design Manual, 2004, 2007. These revisions shall be implemented on all Department projects with a Stage 2 plan submission date after January 16, 2009.
Also, revisions have been made to the following new Standard Bridge Drawings and Design Data Sheets:
• Noise Barrier Specifications for Ground Mounted Applications (NBS-1-09)
• Designer Notes & Sample Plans for Ground Mounted Noise Barriers (NBSDD-1-09)

Revisions & Updates
1/12/2009

Truss Gusset Rating Using Allowable Stress Method
The Office of Structural Engineering has revised the MS Excel spreadsheet for rating truss gusset plates. This spreadsheet is in compliance with FHWA's latest requirements dated December 18, 2008, using the allowable stress rating method. For examples on section cuts and illustrations of measurements, please follow the example provided in FHWA Bridge Design Guidance No. 1.

Disclaimer: The Office of Structural Engineering is providing this spreadsheet to facilitate the use of FHWA’s guidance for rating gusset plates on truss bridges. While bridge rating personnel are encouraged to use this spreadsheet for the reason of standardizing the rating procedures, they are responsible for the accuracy of input data, output results, and all calculations ensuring safety of the public.

 
12/29/2008

FHWA Bridge Design Guidance No. 1
Revision Date: December 18, 2008
Load Rating Evaluation of Gusset Plates in Truss Bridges
By Firas I. Sheikh Ibrahim, PhD, PE

FHWA Bridge Design Guidance
12/1/2008
Bridge Load Rating Calculation Training
Learn how to perform load rating on a few basic bridge types by hand calculations.
 
Registration: Terri Barnhart terri.barnhart@dot.state.oh.us
Course Description & Locations
11/18/2008
Archived Standard Drawings
Archived Standard Drawings
9/15/2008

Rating Truss Gusset Plates
The Office of Structural Engineering has a new MS Excel spreadsheet for rating truss gusset plates. This spreadsheet is in compliance with FHWA's latest requirements dated July 28, 2008, using the Allowable Stress Design method.

 
8/19/2008

FHWA Bridge Design Guidance No. 1  Revision Date: July 21, 2008 Load Rating Evaluation of Gusset Plates in Truss Bridges By Firas I. Sheikh Ibrahim, PhD, PE Part – B Gusset Plate Resistance in Accordance with the Load Factor Rating Method (LFR)

FHWA Bridge Design Guidance (Part A)
8/6/2008

Open Forums
A ten-member committee made up of the County, State, City and Consultant bridge inspection professionals will update the current 2006 Manual of Bridge Inspection in order to best reflect current research and update condition ratings to a 9-0 scale.  Changes will be implemented by early spring 2009.

You are encouraged to attend one of the following Open Forums in order to informally discuss revisions you would recommend to the Committee.
August 12 - District 2 Office - Bowling Green 10am-Noon
August 26 -  District 8 Office - Lebanon 10am-Noon
September 2 - District 6 Office - Delaware 1:30-3:30
September 16 - District 10 Office - Marietta 1:30-3:30
September 30 - District 4 Office - Akron 1:30-3:30

Open Forum.PDF
4/9/2008

FHWA Technical Advisory
Use And Inspection of Adhesive Anchors in Federal-Aid- Projects (03-21-08)

Adhesive Anchors
2/6/2008

FHWA Technical Advisory, T 5140.29 dated January 15, 2008

Responce to FHWA TA gusset plates 2-24-083.pdf