Route 334 over Naugatuck River & Mn RR
FairNew Haven County, Connecticut · 50 Ft West of Route 115 · Structure no. 01592
- Built
- 1958
- 67 years old, rebuilt 2011
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 441 ft
- 6 main spans
- Daily traffic
- 9,300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 334 over Naugatuck River & Mn RR is a steel stringer/multi-beam or girder carrying Route 334 over Naugatuck River & Mn RR in New Haven County, Connecticut. It was built in 1958 and reconstructed in 2011, so it is 67 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 9,300 vehicles a day, roughly 5% of them trucks, projected to reach 13,819 by 2041. The structure is 441 ft (134.4 m) long and 45 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 334 over Naugatuck River & Mn RR built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2011.
What condition is Route 334 over Naugatuck River & Mn RR 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 February 2023.
How much traffic does Route 334 over Naugatuck River & Mn RR carry?
About 9,300 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Route 334 over Naugatuck River & Mn RR?
The structure is 441 ft (134.4 m) long with a longest span of 91 ft (27.7 m) and a deck 45 ft wide.
Who owns Route 334 over Naugatuck River & Mn RR?
It is owned by the State Highway Agency.