Route 171 over Saw Mill Brook
FairWindham County, Connecticut · 0.5 Mile West of RTE 169 · Structure no. 01422
- Built
- 1951
- 74 years old, rebuilt 1992
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 11,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Route 171 over Saw Mill Brook is a steel stringer/multi-beam or girder carrying Route 171 over Saw Mill Brook in Windham County, Connecticut. It was built in 1951 and reconstructed in 1992, so it is 74 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 11,800 vehicles a day, roughly 3% of them trucks, projected to reach 17,534 by 2042. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| 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 171 over Saw Mill Brook built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1992.
What condition is Route 171 over Saw Mill Brook 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 May 2024.
How much traffic does Route 171 over Saw Mill Brook carry?
About 11,800 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Route 171 over Saw Mill Brook?
The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 44 ft wide.
Who owns Route 171 over Saw Mill Brook?
It is owned by the State Highway Agency.