Ssr 478 over East Aspetuck River
FairLitchfield County, Connecticut · At Outlet of Lake Warmaug · Structure no. 05591
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 600
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Ssr 478 over East Aspetuck River is a prestressed concrete slab carrying Ssr 478 over East Aspetuck River in Litchfield County, Connecticut. It was built in 1988, so it is 37 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 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 892 by 2040. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ssr 478 over East Aspetuck River built?
It was built in 1988, making it 37 years old in 2025.
What condition is Ssr 478 over East Aspetuck River 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 November 2023.
How much traffic does Ssr 478 over East Aspetuck River carry?
About 600 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Ssr 478 over East Aspetuck River?
The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.
Who owns Ssr 478 over East Aspetuck River?
It is owned by the State Highway Agency.