Route 155 over Sumner Brook
GoodMiddlesex County, Connecticut · 0.7 MI W of Route 9 · Structure no. 05948
- Built
- 1936
- 89 years old, rebuilt 1990
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 9,100
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Route 155 over Sumner Brook is a prestressed concrete slab carrying Route 155 over Sumner Brook in Middlesex County, Connecticut. It was built in 1936 and reconstructed in 1990, so it is 89 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 9,100 vehicles a day, roughly 3% of them trucks, projected to reach 13,522 by 2039. The structure is 24 ft (7.3 m) long and 35 ft wide. 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 155 over Sumner Brook built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1990.
What condition is Route 155 over Sumner 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 March 2024.
How much traffic does Route 155 over Sumner Brook carry?
About 9,100 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Route 155 over Sumner Brook?
The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 35 ft wide.
Who owns Route 155 over Sumner Brook?
It is owned by the State Highway Agency.