East Main Street over I-91 Route 15 & Ramp 147
FairNew Haven County, Connecticut · Route 15 & I91 Merge · Structure no. 01821
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 298 ft
- 4 main spans
- Daily traffic
- 17,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
East Main Street over I-91 Route 15 & Ramp 147 is a steel stringer/multi-beam or girder carrying East Main Street over I-91 Route 15 & Ramp 147 in New Haven County, Connecticut. It was built in 1965, so it is 60 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 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 17,800 vehicles a day, roughly 6% of them trucks, projected to reach 26,449 by 2042. The structure is 298 ft (90.8 m) long and 66 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was East Main Street over I-91 Route 15 & Ramp 147 built?
It was built in 1965, making it 60 years old in 2025.
What condition is East Main Street over I-91 Route 15 & Ramp 147 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 December 2023.
How much traffic does East Main Street over I-91 Route 15 & Ramp 147 carry?
About 17,800 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is East Main Street over I-91 Route 15 & Ramp 147?
The structure is 298 ft (90.8 m) long with a longest span of 86 ft (26.2 m) and a deck 66 ft wide.
Who owns East Main Street over I-91 Route 15 & Ramp 147?
It is owned by the State Highway Agency.