Bridge near Trout Creek, MT, that carries Blue Slide Road over Vermillion River.
Background scenic view of the Cabinet Mountains.
Manuals and Guidance
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Current Manual
| Title | Version | Release Date | Archived Versions |
|---|---|---|---|
| MDT Bridge Inspection and Rating Manual | 1.1 | October 2018 |
Interim Guidance
| Title | Version | Release Date | Archived Versions | Revision to Current Manual Section (if applicable) |
|---|---|---|---|---|
| Load Rating of Timber Bridges | 1.1 | 12/11/2019 | zipped file (right-click and save file to computer) |
8.2.6.3 |
| New Bridge Asset Process | 1.0 | 07/11/2019 | n/a | |
| Load Posting Procedures | 1.0 | 02/03/2020 | 8.4 |
Additional Guidance
The following is intended to address frequently asked questions by communicating current MDT practices, and providing clarification or additional guidance until it is incorporated in interim guidance or manual update.
Department Memos
Bridge Memo 13-01, Safe Posting Load, Railroad Car Bridges
Bridge Memo 09-02, Concrete Deck, Assumed Sacrificial Wearing Surface and Concrete Strength