Route 15 NB over INTERSTATE-91 & Ramp 145
FairPosted for loadNew Haven County, Connecticut · 2.8 Miles North of RTE 5 · Structure no. 01818
- Built
- 1964
- 61 years old, rebuilt 1986
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 377 ft
- 2 main spans
- Daily traffic
- 37,100
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 15 NB over INTERSTATE-91 & Ramp 145 is a steel continuous stringer/multi-beam or girder carrying Route 15 NB over INTERSTATE-91 & Ramp 145 in New Haven County, Connecticut. It was built in 1964 and reconstructed in 1986, so it is 61 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. Its operating status is: posted for other load-capacity restriction.
It carries about 37,100 vehicles a day, roughly 6% of them trucks, projected to reach 55,127 by 2039. The structure is 377 ft (114.9 m) long and 44 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 | 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 15 NB over INTERSTATE-91 & Ramp 145 built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1986.
What condition is Route 15 NB over INTERSTATE-91 & Ramp 145 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 May 2023.
How much traffic does Route 15 NB over INTERSTATE-91 & Ramp 145 carry?
About 37,100 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Route 15 NB over INTERSTATE-91 & Ramp 145?
The structure is 377 ft (114.9 m) long with a longest span of 146 ft (44.5 m) and a deck 44 ft wide.
Who owns Route 15 NB over INTERSTATE-91 & Ramp 145?
It is owned by the State Highway Agency.