Grand Avenue over Mill River East
FairNew Haven County, Connecticut · .2 MI East of East Street · Structure no. 04380
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 66 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 East is a prestressed concrete box beam or girders - multiple carrying Grand Avenue over Mill River East 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 3% of them trucks, projected to reach 21,397 by 2038. The structure is 66 ft (20.1 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 East built?
It was built in 1982, making it 43 years old in 2025.
What condition is Grand Avenue over Mill River East 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 East carry?
About 14,400 vehicles per day (2018 count), of which roughly 3% are trucks.
How long is Grand Avenue over Mill River East?
The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 65 ft wide.
Who owns Grand Avenue over Mill River East?
It is owned by the City or Municipal Highway Agency.