I-91 TR 811 over Route 15 Southbound
FairNew Haven County, Connecticut · .12M S of JCT I-91SB · Structure no. 01824
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 190 ft
- 3 main spans
- Daily traffic
- 21,900
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
I-91 TR 811 over Route 15 Southbound is a steel stringer/multi-beam or girder carrying I-91 TR 811 over Route 15 Southbound in New Haven 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 21,900 vehicles a day, roughly 9% of them trucks, projected to reach 32,541 by 2039. The structure is 190 ft (57.9 m) long and 31 ft wide.
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 I-91 TR 811 over Route 15 Southbound built?
It was built in 1964, making it 61 years old in 2025.
What condition is I-91 TR 811 over Route 15 Southbound 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 I-91 TR 811 over Route 15 Southbound carry?
About 21,900 vehicles per day (2019 count), of which roughly 9% are trucks.
How long is I-91 TR 811 over Route 15 Southbound?
The structure is 190 ft (57.9 m) long with a longest span of 83 ft (25.3 m) and a deck 31 ft wide.
Who owns I-91 TR 811 over Route 15 Southbound?
It is owned by the State Highway Agency.