Route 4 over W Branch Naugatuck River
GoodLitchfield County, Connecticut · 200 Ft. East of Route 272 · Structure no. 05758
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected October 2021
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 94 ft
- 2 main spans
- Daily traffic
- 11,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Route 4 over W Branch Naugatuck River is a steel continuous stringer/multi-beam or girder carrying Route 4 over W Branch Naugatuck River in Litchfield County, Connecticut. It was built in 1989, so it is 36 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 11,000 vehicles a day, roughly 4% of them trucks, projected to reach 16,345 by 2038. The structure is 94 ft (28.7 m) long and 57 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 Route 4 over W Branch Naugatuck River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Route 4 over W Branch Naugatuck River 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 October 2021.
How much traffic does Route 4 over W Branch Naugatuck River carry?
About 11,000 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is Route 4 over W Branch Naugatuck River?
The structure is 94 ft (28.7 m) long with a longest span of 44 ft (13.4 m) and a deck 57 ft wide.
Who owns Route 4 over W Branch Naugatuck River?
It is owned by the State Highway Agency.