River Road over Blackledge River
FairNew London County, Connecticut · 1.3 MI W of Route 149 · Structure no. 04615
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 68 ft
- 1 main span
- Daily traffic
- 357
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
River Road over Blackledge River is a prestressed concrete box beam or girders - multiple carrying River Road over Blackledge River in New London County, Connecticut. It was built in 1975, so it is 50 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 357 vehicles a day, roughly 7% of them trucks, projected to reach 530 by 2043. The structure is 68 ft (20.7 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 River Road over Blackledge River built?
It was built in 1975, making it 50 years old in 2025.
What condition is River Road over Blackledge 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 September 2023.
How much traffic does River Road over Blackledge River carry?
About 357 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is River Road over Blackledge River?
The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 34 ft wide.
Who owns River Road over Blackledge River?
It is owned by the Town or Township Highway Agency.