Route 9 Southbound over INTERSTATE-91 Northbound
FairMiddlesex County, Connecticut · 1.6 MI N of Route 372 · Structure no. 03149
- Built
- 1965
- 60 years old, rebuilt 1986
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 26,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 9 Southbound over INTERSTATE-91 Northbound is a steel stringer/multi-beam or girder carrying Route 9 Southbound over INTERSTATE-91 Northbound in Middlesex County, Connecticut. It was built in 1965 and reconstructed in 1986, 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 26,700 vehicles a day, roughly 6% of them trucks, projected to reach 39,674 by 2042. The structure is 171 ft (52.1 m) long and 57 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 Route 9 Southbound over INTERSTATE-91 Northbound built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1986.
What condition is Route 9 Southbound over INTERSTATE-91 Northbound 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 August 2024.
How much traffic does Route 9 Southbound over INTERSTATE-91 Northbound carry?
About 26,700 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Route 9 Southbound over INTERSTATE-91 Northbound?
The structure is 171 ft (52.1 m) long with a longest span of 74 ft (22.6 m) and a deck 57 ft wide.
Who owns Route 9 Southbound over INTERSTATE-91 Northbound?
It is owned by the State Highway Agency.