INTERSTATE-91 NB over Willow Street
FairNew Haven County, Connecticut · 150 Ft W of US Rt 5 · Structure no. 03017
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 62,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
INTERSTATE-91 NB over Willow Street is a steel stringer/multi-beam or girder carrying INTERSTATE-91 NB over Willow Street in New Haven County, Connecticut. It was built in 1965, so it is 60 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 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 62,000 vehicles a day, roughly 10% of them trucks, projected to reach 92,126 by 2042. The structure is 75 ft (22.9 m) long and 77 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was INTERSTATE-91 NB over Willow Street built?
It was built in 1965, making it 60 years old in 2025.
What condition is INTERSTATE-91 NB over Willow 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 December 2024.
How much traffic does INTERSTATE-91 NB over Willow Street carry?
About 62,000 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is INTERSTATE-91 NB over Willow Street?
The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 77 ft wide.
Who owns INTERSTATE-91 NB over Willow Street?
It is owned by the State Highway Agency.