Middletown Avenue over Quinnipiac River
FairNew Haven County, Connecticut · 100 North of Front ST · Structure no. 05742
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 172 ft
- 2 main spans
- Daily traffic
- 13,545
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Middletown Avenue over Quinnipiac River is a prestressed concrete stringer/multi-beam or girder carrying Middletown Avenue over Quinnipiac River in New Haven County, Connecticut. It was built in 1989, so it is 36 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 13,545 vehicles a day, roughly 3% of them trucks, projected to reach 20,127 by 2043. The structure is 172 ft (52.4 m) long and 61 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 Middletown Avenue over Quinnipiac River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Middletown Avenue over Quinnipiac 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 2023.
How much traffic does Middletown Avenue over Quinnipiac River carry?
About 13,545 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Middletown Avenue over Quinnipiac River?
The structure is 172 ft (52.4 m) long with a longest span of 82 ft (25.1 m) and a deck 61 ft wide.
Who owns Middletown Avenue over Quinnipiac River?
It is owned by the City or Municipal Highway Agency.