Bridge rating
Bridge Load Rating Manual
The Bridge Load Rating Manual contains MnDOT Bridge Office procedures for the evaluation and load ratings of bridges.
| Recent updates to manual | Date updated |
|---|---|
Selection Guidance Memo for Pier Evaluation of Existing Bridges - #2023-01 (PDF) Selection Guidance Memo for Pier Evaluation of Existing Bridges - #2022-01 (PDF) |
February 2023 March 2022 |
| Manual Document | Date updated |
|---|---|
| MnDOT Bridge Load Rating and Evaluation Manual - 2023 (PDF) | February 2023 |
Rating documents
County and local agencies
NOTE: all load rating documents after May 29, 2020 must use the new electronic fillable PDF Form RC-CL, Form 90-CL and Form PIR-CL. To attain archived load rating Form RC-CL, Form 90 and Form PIR-CL PDF, please contact the State Aid Bridge Unit.
- MnDOT Form RC-CL: Bridge Rating and Load Posting Report for County and Local Agencies (Electronic Fillable PDF)
- MnDOT Form 90-CL: Culvert Rating Form for County and Local Agencies (Electronic Fillable PDF)
- How to fill out Form 90-CL (PDF)
- MnDOT Form PIR-CL: MnDOT Physical Inspection Rating for County and Local Agencies (Electronic Fillable PDF)
- MnDOT Form PW: Posting Worksheet (PDF, Word)
- MnDOT Form Truss R: Bridge Rating Details (PDF, Word)
- MnDOT Posting Sign R12-5M (old R12-5a) (PDF)
- MnDOT Form OW-CL: Application for Single Trip Overweight Permit Over TH Bridges on Local Roadway (PDF, Word)
- AASHTOWare BrR Load Rating Examples
- How to create a Digital Signature in Adobe Acrobat Reader DC (PDF)
Trunk highways
- MnDOT Form RC-TH: Bridge Rating and Load Posting Report for Trunk Highways (PDF, Word)
- MnDOT Form 90: Culvert Rating Form (PDF, Word)
- MnDOT Form PIR-TH: MnDOT Physical Inspection Rating for Trunk Highways (PDF, Word)
- MnDOT Form PW: Posting Worksheet (PDF, Word)
- MnDOT Form Truss R: Bridge Rating Details (PDF, Word)
- MnDOT Posting Sign R12-5A (PDF)
Other owners
- MnDOT Form RC-OTHER: Bridge Rating and Load Posting Report for Other Owners (Electronic Fillable PDF)
- MnDOT Form 90-OTHER: Culvert Rating Form for Other Owners (Electronic Fillable PDF)
- MnDOT Form PIR-OTHER: MnDOT Physical Inspection Rating for Other Owners (Electronic Fillable PDF)
- MnDOT Form PW: Posting Worksheet (PDF)
- MnDOT Form Truss R: Bridge Rating Details (PDF)