12th Street S.W. over CSXT Railroad
FairDistrict of Columbia, District of Columbia · 12th ST over CSXT RR SW · Structure no. 0515
- Built
- 1907
- 118 years old, rebuilt 1987
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 93 ft
- 2 main spans
- Daily traffic
- 16,900
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
12th Street S.W. over CSXT Railroad is a steel continuous stringer/multi-beam or girder carrying 12th Street S.W. over CSXT Railroad in District of Columbia, District of Columbia. It was built in 1907 and reconstructed in 1987, so it is 118 years old, older than the District of Columbia average of 63.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 16,900 vehicles a day, roughly 3% of them trucks, projected to reach 18,000 by 2027. The structure is 93 ft (28.3 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 12th Street S.W. over CSXT Railroad built?
It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1987.
What condition is 12th Street S.W. over CSXT Railroad in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.
How much traffic does 12th Street S.W. over CSXT Railroad carry?
About 16,900 vehicles per day (2007 count), of which roughly 3% are trucks.
How long is 12th Street S.W. over CSXT Railroad?
The structure is 93 ft (28.3 m) long with a longest span of 55 ft (16.8 m) and a deck 74 ft wide.
Who owns 12th Street S.W. over CSXT Railroad?
It is owned by the State Highway Agency.