Route 3 over Coginchaug River
FairMiddlesex County, Connecticut · 0.2 MI North of JCT Rt 66 · Structure no. 02926
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 2 main spans
- Daily traffic
- 14,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 3 over Coginchaug River is a prestressed concrete stringer/multi-beam or girder carrying Route 3 over Coginchaug River in Middlesex County, Connecticut. It was built in 1974, so it is 51 years old, younger 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 14,700 vehicles a day, roughly 5% of them trucks, projected to reach 21,843 by 2042. The structure is 205 ft (62.5 m) long and 63 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 | 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. |
| 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 3 over Coginchaug River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Route 3 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 October 2023.
How much traffic does Route 3 over Coginchaug River carry?
About 14,700 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Route 3 over Coginchaug River?
The structure is 205 ft (62.5 m) long with a longest span of 99 ft (30.2 m) and a deck 63 ft wide.
Who owns Route 3 over Coginchaug River?
It is owned by the State Highway Agency.