BIA Route 407 over Unknown Stream
GoodNew London County, Connecticut · 4.7KM NE Leyard Ct · Structure no. 0000S50020B4071
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected September 2021
- Type
- Slab
- Wood or Timber
- Length
- 56 ft
- 2 main spans
- Daily traffic
- 1,000
- 2020 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
BIA Route 407 over Unknown Stream is a wood or timber slab carrying BIA Route 407 over Unknown Stream in New London County, Connecticut. It was built in 1993, so it is 32 years old, younger than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,170 by 2036. The structure is 56 ft (17 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 BIA Route 407 over Unknown Stream built?
It was built in 1993, making it 32 years old in 2025.
What condition is BIA Route 407 over Unknown Stream in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2021.
How much traffic does BIA Route 407 over Unknown Stream carry?
About 1,000 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is BIA Route 407 over Unknown Stream?
The structure is 56 ft (17 m) long with a longest span of 28 ft (8.4 m) and a deck 31 ft wide.
Who owns BIA Route 407 over Unknown Stream?
It is owned by the Bureau of Indian Affairs.