Grand Avenue over Mill River West
FairNew Haven County, Connecticut · 1 Tenth East of East ST · Structure no. 04381
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 14,400
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Grand Avenue over Mill River West is a prestressed concrete box beam or girders - multiple carrying Grand Avenue over Mill River West in New Haven County, Connecticut. It was built in 1982, so it is 43 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 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 14,400 vehicles a day, roughly 5% of them trucks, projected to reach 21,397 by 2038. The structure is 56 ft (17.1 m) long and 65 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 | 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 Grand Avenue over Mill River West built?
It was built in 1982, making it 43 years old in 2025.
What condition is Grand Avenue over Mill River West 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 June 2023.
How much traffic does Grand Avenue over Mill River West carry?
About 14,400 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Grand Avenue over Mill River West?
The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 65 ft wide.
Who owns Grand Avenue over Mill River West?
It is owned by the City or Municipal Highway Agency.