I-91 NB Ramp 140 over Mill River
FairNew Haven County, Connecticut · Ramp from Willow ST to 91 · Structure no. 03016
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 239 ft
- 4 main spans
- Daily traffic
- 4,100
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-91 NB Ramp 140 over Mill River is a steel stringer/multi-beam or girder carrying I-91 NB Ramp 140 over Mill River 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 4,100 vehicles a day, roughly 5% of them trucks, projected to reach 6,092 by 2042. The structure is 239 ft (72.8 m) long and 31 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-91 NB Ramp 140 over Mill River built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-91 NB Ramp 140 over Mill 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 December 2024.
How much traffic does I-91 NB Ramp 140 over Mill River carry?
About 4,100 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is I-91 NB Ramp 140 over Mill River?
The structure is 239 ft (72.8 m) long with a longest span of 74 ft (22.7 m) and a deck 31 ft wide.
Who owns I-91 NB Ramp 140 over Mill River?
It is owned by the State Highway Agency.