(2021) Load Rating for Standard Bridges – Final Report for TR-785. Transportation, Department of
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TR-785_Final Report_Load Ratings For Standard Bridges.pdf File Size:1MB |
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Tech Brief - HGM - TR-785.pdf File Size:249kB |
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Technical Report Documentation Page OrcID.pdf File Size:119kB |
Abstract
In this report, seventeen Iowa secondary and primary bridge standards for three types of bridges are rated utilizing the Load and Resistance Factor methodology and AASHTO BrR Bridge Rating software, Version 6.8.4.3001. Load ratings in this report are in compliance with the AASHTO Manual for Bridge Evaluation, 3rd Edition, with Interim Specifications through 2019, and the AASHTO LRFD Bridge Design Specifications, 8th Edition. All standards were rated as multilane structures with full impact load for design and legal trucks. Permit trucks were rated as Routine or Annual permits, >5000 ADTT in accordance with MBE Table B6A-45.
| Item Type: | Departmental Report |
|---|---|
| Keywords: | Bridges, Bridge Load Rating, Bridge Load Posting, Bridge Rating Analysis |
| Subjects: | Transportation > Bridges and tunnels |
| ID Code: | 37617 |
| Deposited By: | Iowa DOT Research |
| Deposited On: | 17 Aug 2021 12:00 |
| Last Modified: | 17 Aug 2021 12:00 |
| URI: | https://publications.iowa.gov/id/eprint/37617 |