INTERSTATE-691 EB over Ten Mile River
FairNew Haven County, Connecticut · 7.5 MI W of INTERSTATE-91 · Structure no. 05470
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 225 ft
- 2 main spans
- Daily traffic
- 28,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
INTERSTATE-691 EB over Ten Mile River is a prestressed concrete continuous stringer/multi-beam or girder carrying INTERSTATE-691 EB over Ten Mile River in New Haven County, Connecticut. It was built in 1986, so it is 39 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 28,500 vehicles a day, roughly 16% of them trucks, projected to reach 42,348 by 2041. The structure is 225 ft (68.7 m) long and 46 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 | 7 Good | Some minor problems. |
| 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 INTERSTATE-691 EB over Ten Mile River built?
It was built in 1986, making it 39 years old in 2025.
What condition is INTERSTATE-691 EB over Ten Mile River 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 September 2023.
How much traffic does INTERSTATE-691 EB over Ten Mile River carry?
About 28,500 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is INTERSTATE-691 EB over Ten Mile River?
The structure is 225 ft (68.7 m) long with a longest span of 110 ft (33.5 m) and a deck 46 ft wide.
Who owns INTERSTATE-691 EB over Ten Mile River?
It is owned by the State Highway Agency.