INTERSTATE-91 NB over Smith Street
FairMiddlesex County, Connecticut · 1.49 MI South of RTE 372 · Structure no. 03054
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 55,300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
INTERSTATE-91 NB over Smith Street is a steel continuous stringer/multi-beam or girder carrying INTERSTATE-91 NB over Smith Street in Middlesex 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 55,300 vehicles a day, roughly 9% of them trucks, projected to reach 82,170 by 2039. The structure is 154 ft (46.9 m) long and 55 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 INTERSTATE-91 NB over Smith Street built?
It was built in 1965, making it 60 years old in 2025.
What condition is INTERSTATE-91 NB over Smith Street 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 INTERSTATE-91 NB over Smith Street carry?
About 55,300 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is INTERSTATE-91 NB over Smith Street?
The structure is 154 ft (46.9 m) long with a longest span of 68 ft (20.7 m) and a deck 55 ft wide.
Who owns INTERSTATE-91 NB over Smith Street?
It is owned by the State Highway Agency.