Route 4 over Leadmine Brook
FairLitchfield County, Connecticut · 0.1 Mile East of Rte. 118 · Structure no. 00427
- Built
- 1927
- 98 years old, rebuilt 1986
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 13,100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Route 4 over Leadmine Brook is a concrete tee beam carrying Route 4 over Leadmine Brook in Litchfield County, Connecticut. It was built in 1927 and reconstructed in 1986, so it is 98 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 13,100 vehicles a day, roughly 4% of them trucks, projected to reach 19,465 by 2040. The structure is 39 ft (11.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Route 4 over Leadmine Brook built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1986.
What condition is Route 4 over Leadmine Brook 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 October 2023.
How much traffic does Route 4 over Leadmine Brook carry?
About 13,100 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Route 4 over Leadmine Brook?
The structure is 39 ft (11.9 m) long with a longest span of 33 ft (10.1 m) and a deck 31 ft wide.
Who owns Route 4 over Leadmine Brook?
It is owned by the State Highway Agency.