Route 9 Southbound over INTERSTATE-91 NB TR 818
FairMiddlesex County, Connecticut · 1.9 MI S of Route 372 · Structure no. 03152
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 158 ft
- 3 main spans
- Daily traffic
- 26,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 9 Southbound over INTERSTATE-91 NB TR 818 is a steel stringer/multi-beam or girder carrying Route 9 Southbound over INTERSTATE-91 NB TR 818 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 26,700 vehicles a day, roughly 9% of them trucks, projected to reach 39,674 by 2042. The structure is 158 ft (48.3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 9 Southbound over INTERSTATE-91 NB TR 818 built?
It was built in 1965, making it 60 years old in 2025.
What condition is Route 9 Southbound over INTERSTATE-91 NB TR 818 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 September 2024.
How much traffic does Route 9 Southbound over INTERSTATE-91 NB TR 818 carry?
About 26,700 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Route 9 Southbound over INTERSTATE-91 NB TR 818?
The structure is 158 ft (48.3 m) long with a longest span of 57 ft (17.4 m) and a deck 55 ft wide.
Who owns Route 9 Southbound over INTERSTATE-91 NB TR 818?
It is owned by the State Highway Agency.