INTERSTATE-691 over Colony Street
FairNew Haven County, Connecticut · 0.6 MI West of Route 5 · Structure no. 02080
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 162 ft
- 3 main spans
- Daily traffic
- 72,400
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
INTERSTATE-691 over Colony Street is a steel stringer/multi-beam or girder carrying INTERSTATE-691 over Colony Street in New Haven County, Connecticut. It was built in 1971, so it is 54 years old, younger 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 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 72,400 vehicles a day, roughly 9% of them trucks, projected to reach 107,579 by 2041. The structure is 162 ft (49.4 m) long and 159 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was INTERSTATE-691 over Colony Street built?
It was built in 1971, making it 54 years old in 2025.
What condition is INTERSTATE-691 over Colony Street 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 May 2023.
How much traffic does INTERSTATE-691 over Colony Street carry?
About 72,400 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is INTERSTATE-691 over Colony Street?
The structure is 162 ft (49.4 m) long with a longest span of 66 ft (20.1 m) and a deck 159 ft wide.
Who owns INTERSTATE-691 over Colony Street?
It is owned by the State Highway Agency.