Treadwell Street over Farmington Canal Greenwa
FairNew Haven County, Connecticut · 0.1 MI E of Route 10 · Structure no. 04014
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 41 ft
- 1 main span
- Daily traffic
- 3,700
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Treadwell Street over Farmington Canal Greenwa is a steel stringer/multi-beam or girder carrying Treadwell Street over Farmington Canal Greenwa in New Haven County, Connecticut. It was built in 1946, so it is 79 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 3,700 vehicles a day, roughly 2% of them trucks, projected to reach 5,498 by 2041. The structure is 41 ft (12.5 m) long and 46 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Treadwell Street over Farmington Canal Greenwa built?
It was built in 1946, making it 79 years old in 2025.
What condition is Treadwell Street over Farmington Canal Greenwa 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 November 2023.
How much traffic does Treadwell Street over Farmington Canal Greenwa carry?
About 3,700 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Treadwell Street over Farmington Canal Greenwa?
The structure is 41 ft (12.5 m) long with a longest span of 37 ft (11.3 m) and a deck 46 ft wide.
Who owns Treadwell Street over Farmington Canal Greenwa?
It is owned by the Town or Township Highway Agency.