Route 9 over Great Brook
GoodMiddlesex County, Connecticut · 0.4 MI N of Route 82 · Structure no. 06639
- Built
- 1967
- 58 years old, rebuilt 2016
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Steel
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 31,100
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 9 over Great Brook is a steel culvert carrying Route 9 over Great Brook in Middlesex County, Connecticut. It was built in 1967 and reconstructed in 2016, so it is 58 years old, older than the Connecticut average of 56.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 31,100 vehicles a day, roughly 6% of them trucks, projected to reach 46,211 by 2039. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 9 over Great Brook built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2016.
What condition is Route 9 over Great Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.
How much traffic does Route 9 over Great Brook carry?
About 31,100 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is Route 9 over Great Brook?
The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m).
Who owns Route 9 over Great Brook?
It is owned by the State Highway Agency.