Route 8 Northbound over Catherine ST & SB Main
FairFairfield County, Connecticut · 1.3 MI N of I-95 · Structure no. 03547A
- Built
- 1970
- 55 years old, rebuilt 1994
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 321 ft
- 3 main spans
- Daily traffic
- 88,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 8 Northbound over Catherine ST & SB Main is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Catherine ST & SB Main in Fairfield County, Connecticut. It was built in 1970 and reconstructed in 1994, so it is 55 years old, younger 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 88,000 vehicles a day, roughly 6% of them trucks, projected to reach 130,759 by 2042. The structure is 321 ft (97.8 m) long and 53 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 8 Northbound over Catherine ST & SB Main built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1994.
What condition is Route 8 Northbound over Catherine ST & SB Main 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 Northbound over Catherine ST & SB Main carry?
About 88,000 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Route 8 Northbound over Catherine ST & SB Main?
The structure is 321 ft (97.8 m) long with a longest span of 116 ft (35.4 m) and a deck 53 ft wide.
Who owns Route 8 Northbound over Catherine ST & SB Main?
It is owned by the State Highway Agency.