US Route 1 over Lieutenant River
FairNew London County, Connecticut · 0.5 MI N of Route 156 · Structure no. 01013
- Built
- 1941
- 84 years old, rebuilt 1995
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 7,400
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US Route 1 over Lieutenant River is a prestressed concrete box beam or girders - multiple carrying US Route 1 over Lieutenant River in New London County, Connecticut. It was built in 1941 and reconstructed in 1995, so it is 84 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 7,400 vehicles a day, roughly 5% of them trucks, projected to reach 10,996 by 2041. The structure is 127 ft (38.7 m) long and 45 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Route 1 over Lieutenant River built?
It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1995.
What condition is US Route 1 over Lieutenant 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 March 2024.
How much traffic does US Route 1 over Lieutenant River carry?
About 7,400 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is US Route 1 over Lieutenant River?
The structure is 127 ft (38.7 m) long with a longest span of 49 ft (14.9 m) and a deck 45 ft wide.
Who owns US Route 1 over Lieutenant River?
It is owned by the State Highway Agency.