Route 156 over Duck River
FairNew London County, Connecticut · 1.0 MI E of US Route 1 · Structure no. 01393
- Built
- 1961
- 64 years old, rebuilt 1988
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 107 ft
- 1 main span
- Daily traffic
- 6,200
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Route 156 over Duck River is a steel stringer/multi-beam or girder carrying Route 156 over Duck River in New London County, Connecticut. It was built in 1961 and reconstructed in 1988, 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 6,200 vehicles a day, roughly 5% of them trucks, projected to reach 9,213 by 2041. The structure is 107 ft (32.6 m) long and 46 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 | 7 Good | Some minor problems. |
| 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 Route 156 over Duck River built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1988.
What condition is Route 156 over Duck 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 May 2024.
How much traffic does Route 156 over Duck River carry?
About 6,200 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Route 156 over Duck River?
The structure is 107 ft (32.6 m) long with a longest span of 101 ft (30.8 m) and a deck 46 ft wide.
Who owns Route 156 over Duck River?
It is owned by the State Highway Agency.