Connecticut Avenue over Rock Creek & Potomac Pkw
FairDistrict of Columbia, District of Columbia · Over Rock Creek N.W. · Structure no. 0029
- Built
- 1907
- 118 years old, rebuilt 1995
- Condition
- Fair
- inspected February 2024
- Type
- Arch - Deck
- Concrete Continuous
- Length
- 1,105 ft
- 7 main spans
- Daily traffic
- 28,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Connecticut Avenue over Rock Creek & Potomac Pkw is a concrete continuous arch - deck carrying Connecticut Avenue over Rock Creek & Potomac Pkw in District of Columbia, District of Columbia. It was built in 1907 and reconstructed in 1995, 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 28,000 vehicles a day, roughly 2% of them trucks, projected to reach 30,500 by 2027. The structure is 1,105 ft (336.8 m) long and 56 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Connecticut Avenue over Rock Creek & Potomac Pkw built?
It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1995.
What condition is Connecticut Avenue over Rock Creek & Potomac Pkw 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 February 2024.
How much traffic does Connecticut Avenue over Rock Creek & Potomac Pkw carry?
About 28,000 vehicles per day (2018 count), of which roughly 2% are trucks.
How long is Connecticut Avenue over Rock Creek & Potomac Pkw?
The structure is 1,105 ft (336.8 m) long with a longest span of 178 ft (54.4 m) and a deck 56 ft wide.
Who owns Connecticut Avenue over Rock Creek & Potomac Pkw?
It is owned by the State Highway Agency.