Route 8 SB over NB Acc Lower Derby Ave
FairNew Haven County, Connecticut · 3.7 MI North of Route 34 · Structure no. 00583
- Built
- 1961
- 64 years old, rebuilt 1991
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 27,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Route 8 SB over NB Acc Lower Derby Ave is a steel stringer/multi-beam or girder carrying Route 8 SB over NB Acc Lower Derby Ave in New Haven County, Connecticut. It was built in 1961 and reconstructed in 1991, 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 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 27,000 vehicles a day, roughly 5% of them trucks, projected to reach 40,119 by 2038. The structure is 141 ft (43 m) long and 45 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 8 SB over NB Acc Lower Derby Ave built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.
What condition is Route 8 SB over NB Acc Lower Derby Ave 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 July 2023.
How much traffic does Route 8 SB over NB Acc Lower Derby Ave carry?
About 27,000 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Route 8 SB over NB Acc Lower Derby Ave?
The structure is 141 ft (43 m) long with a longest span of 54 ft (16.5 m) and a deck 45 ft wide.
Who owns Route 8 SB over NB Acc Lower Derby Ave?
It is owned by the State Highway Agency.