Route 8 over RTE 313 & Naugatuck Riv
FairNew Haven County, Connecticut · 0.3 MI S of Route 67 · Structure no. 00587
- Built
- 1961
- 64 years old, rebuilt 1994
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 1,003 ft
- 10 main spans
- Daily traffic
- 27,300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 8 over RTE 313 & Naugatuck Riv is a steel stringer/multi-beam or girder carrying Route 8 over RTE 313 & Naugatuck Riv in New Haven County, Connecticut. It was built in 1961 and reconstructed in 1994, so it is 64 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 5 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 27,300 vehicles a day, roughly 8% of them trucks, projected to reach 40,565 by 2041. The structure is 1,003 ft (305.7 m) long and 70 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 8 over RTE 313 & Naugatuck Riv built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.
What condition is Route 8 over RTE 313 & Naugatuck Riv 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 2023.
How much traffic does Route 8 over RTE 313 & Naugatuck Riv carry?
About 27,300 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Route 8 over RTE 313 & Naugatuck Riv?
The structure is 1,003 ft (305.7 m) long with a longest span of 106 ft (32.3 m) and a deck 70 ft wide.
Who owns Route 8 over RTE 313 & Naugatuck Riv?
It is owned by the State Highway Agency.