Verification of ODOT's Load Rating Analysis Programs for Metal Pipe and Arch Culverts
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The main objective of this study was to evaluate and improve ODOT’s current load rating procedures for corrugated metal culvert.
MDOT Bridge Advisories
The Bridge Advisory (BA) is intended to convey information to MDOT, local agencies, and contractors working for these agencies. The intent of the advisories is to provide guidance and share information on bridge safety, bridge inspection, bridge management, and bridge load rating issues.
MDOT Load Rating Resources
A list of bridge and load rating resources published and hosted by the Michigan DOT.
MDOT Camelback Tutorial
This tutorial is a general guide for modeling a camelback bridge in AASHTOWare Bridge Rating. The tutorial methodology relies on a sample MDOT standard plan bridge that has a 60-ft reinforced concrete girder with a 22-ft roadway, but it should be adapted accordingly for any modifications to the standard plan and for the specific rebar present in the bridge.
Corrugated Metal Pipe (CMP) Culvert Rating Spreadsheets
These spreadsheets aid a qualified engineer, using sound engineering judgment and familiarity wtih the analysis, in inputting values and completing the bridge load rating analysis of a corrugated metal pipe culvert structure.
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Bridge Rating Technical Notes
AASHTOWare occasionally releases Technical Notes with patches that address minor issues found in AASHTOWare Bridge Rating & Design. Relevant patches should be installed as soon as you are able. Each current Technical Note includes a pdf that describes the issue, how to resolve the issue, and how to install the other file available for download. This page requires a username and password that you should have received with your license paperwork.