Route 15 over Circular Avenue
FairPosted for loadNew Haven County, Connecticut · O/Circular Avenue · Structure no. 00780
- Built
- 1948
- 77 years old, rebuilt 1990
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 74 ft
- 1 main span
- Daily traffic
- 77,800
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 15 over Circular Avenue is a steel stringer/multi-beam or girder carrying Route 15 over Circular Avenue in New Haven County, Connecticut. It was built in 1948 and reconstructed in 1990, so it is 77 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.
It carries about 77,800 vehicles a day, roughly 1% of them trucks, projected to reach 115,603 by 2039. The structure is 74 ft (22.6 m) long and 79 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 15 over Circular Avenue built?
It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1990.
What condition is Route 15 over Circular Avenue 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 July 2024.
How much traffic does Route 15 over Circular Avenue carry?
About 77,800 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Route 15 over Circular Avenue?
The structure is 74 ft (22.6 m) long with a longest span of 68 ft (20.7 m) and a deck 79 ft wide.
Who owns Route 15 over Circular Avenue?
It is owned by the State Highway Agency.