Route 146 over West River
PoorNew Haven County, Connecticut · 0.4 MI W of Route 77 · Structure no. 04379
- Built
- 1910
- 115 years old, rebuilt 1982
- Condition
- Poor
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 5,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 146 over West River is a prestressed concrete box beam or girders - multiple carrying Route 146 over West River in New Haven County, Connecticut. It was built in 1910 and reconstructed in 1982, so it is 115 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 5,500 vehicles a day, roughly 3% of them trucks, projected to reach 8,172 by 2042. The structure is 57 ft (17.4 m) long and 42 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 146 over West River built?
It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1982.
What condition is Route 146 over West River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does Route 146 over West River carry?
About 5,500 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Route 146 over West River?
The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.
Who owns Route 146 over West River?
It is owned by the State Highway Agency.