9th St. Ramp C-1 over Ramp a I-395
FairDistrict of Columbia, District of Columbia · 9th ST SW over I-395 · Structure no. 1107(RAMP C-1)
- Built
- 1961
- 64 years old, rebuilt 1988
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 233 ft
- 4 main spans
- Daily traffic
- 5,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
9th St. Ramp C-1 over Ramp a I-395 is a steel stringer/multi-beam or girder carrying 9th St. Ramp C-1 over Ramp a I-395 in District of Columbia, District of Columbia. It was built in 1961 and reconstructed in 1988, so it is 64 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 22,500 by 2028. The structure is 233 ft (71 m) long and 30 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 9th St. Ramp C-1 over Ramp a I-395 built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1988.
What condition is 9th St. Ramp C-1 over Ramp a I-395 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 April 2024.
How much traffic does 9th St. Ramp C-1 over Ramp a I-395 carry?
About 5,000 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is 9th St. Ramp C-1 over Ramp a I-395?
The structure is 233 ft (71 m) long with a longest span of 94 ft (28.7 m) and a deck 30 ft wide.
Who owns 9th St. Ramp C-1 over Ramp a I-395?
It is owned by the State Highway Agency.