Middlefield Street over Coginchaug River
FairMiddlesex County, Connecticut · 0.1 Mi. W of Route 157 · Structure no. 04535
- Built
- 1900
- 125 years old, rebuilt 1990
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 80 ft
- 2 main spans
- Daily traffic
- 1,654
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Middlefield Street over Coginchaug River is a steel continuous stringer/multi-beam or girder carrying Middlefield Street over Coginchaug River in Middlesex County, Connecticut. It was built in 1900 and reconstructed in 1990, so it is 125 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 1,654 vehicles a day, roughly 2% of them trucks, projected to reach 2,458 by 2044. The structure is 80 ft (24.4 m) long and 32 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 | 7 Good | Some minor problems. |
| 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 Middlefield Street over Coginchaug River built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1990.
What condition is Middlefield Street over Coginchaug 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 July 2024.
How much traffic does Middlefield Street over Coginchaug River carry?
About 1,654 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Middlefield Street over Coginchaug River?
The structure is 80 ft (24.4 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.
Who owns Middlefield Street over Coginchaug River?
It is owned by the City or Municipal Highway Agency.