INTERSTATE-91 SB over Middletown Avenue
FairHartford County, Connecticut · 0.49 MI N of SB Op RTE 99 · Structure no. 01454
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 71,900
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
INTERSTATE-91 SB over Middletown Avenue is a steel stringer/multi-beam or girder carrying INTERSTATE-91 SB over Middletown Avenue in Hartford County, Connecticut. It was built in 1964, 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.
It carries about 71,900 vehicles a day, roughly 14% of them trucks, projected to reach 106,836 by 2039. The structure is 192 ft (58.6 m) long and 69 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 INTERSTATE-91 SB over Middletown Avenue built?
It was built in 1964, making it 61 years old in 2025.
What condition is INTERSTATE-91 SB over Middletown Avenue 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 April 2023.
How much traffic does INTERSTATE-91 SB over Middletown Avenue carry?
About 71,900 vehicles per day (2019 count), of which roughly 14% are trucks.
How long is INTERSTATE-91 SB over Middletown Avenue?
The structure is 192 ft (58.6 m) long with a longest span of 86 ft (26.2 m) and a deck 69 ft wide.
Who owns INTERSTATE-91 SB over Middletown Avenue?
It is owned by the State Highway Agency.