Bridges
Mission
DDOT shall coordinate and manage bridge construction within the District of Columbia; improve the District's economic competitiveness and quality of life by planning, coordinating, and operating the transportation system, and manage and maintain the transportation infrastructure, to ensure the safe, efficient movement of people, goods, and information along public right of way. (DDOT Establishment Act, D.C. Code § 50-921.03, -.04)
Procedures & Services
DDOT shall maintain the road and bridge system to keep it operating safely and efficiently and to maximize its useful life.
Bridge Inspection Manual of Procedures
FAQ: What is a bridge load rating?
The primary purpose of a bridge's load rating is to determine the live load that structures can safely carry to preserve public safety. In addition, load rating is required by the National Bridge Inspection Standards (NBIS) and for future improvement.
See Related
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Bridges (Compendium)
Additional Information
Legal References
- D.C. Code § 901.02: Jurisdiction over public roads and bridges
- DCMR 10-A411.13: Policy T-2.5.3: Road and Bridge Maintenance
- National Bridge Inspection Standards (NBS) – 23 650 Subpart C
Design Standards & Specifications
- Bridge Inspection Manual of Procedures
- Guidelines for Bridge Load Rating Analysis and Reporting
- DDOT Design and Engineering Manual, Chapter 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27
Transportation Plans & Studies
- n/a
Other Resources