Route 150 over Quinnipiac River
FairNew Haven County, Connecticut · At JCT RTE 68 & RTE 150 · Structure no. 01381
- Built
- 1951
- 74 years old, rebuilt 1988
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 119 ft
- 2 main spans
- Daily traffic
- 13,800
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 150 over Quinnipiac River is a steel stringer/multi-beam or girder carrying Route 150 over Quinnipiac River in New Haven County, Connecticut. It was built in 1951 and reconstructed in 1988, so it is 74 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 13,800 vehicles a day, roughly 6% of them trucks, projected to reach 20,505 by 2039. The structure is 119 ft (36.4 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 Route 150 over Quinnipiac River built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1988.
What condition is Route 150 over Quinnipiac 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 October 2024.
How much traffic does Route 150 over Quinnipiac River carry?
About 13,800 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Route 150 over Quinnipiac River?
The structure is 119 ft (36.4 m) long with a longest span of 57 ft (17.5 m) and a deck 47 ft wide.
Who owns Route 150 over Quinnipiac River?
It is owned by the State Highway Agency.