Upper State Street over Route 15
FairNew Haven County, Connecticut · .3 Miles North Route 22 · Structure no. 00789
- Built
- 1947
- 78 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 148 ft
- 2 main spans
- Daily traffic
- 3,289
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Upper State Street over Route 15 is a steel stringer/multi-beam or girder carrying Upper State Street over Route 15 in New Haven County, Connecticut. It was built in 1947, so it is 78 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 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 3,289 vehicles a day, roughly 4% of them trucks, projected to reach 4,887 by 2044. The structure is 148 ft (45.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Upper State Street over Route 15 built?
It was built in 1947, making it 78 years old in 2025.
What condition is Upper State Street over Route 15 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 Upper State Street over Route 15 carry?
About 3,289 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Upper State Street over Route 15?
The structure is 148 ft (45.1 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.
Who owns Upper State Street over Route 15?
It is owned by the State Highway Agency.