US Bridges

Route 171 over Bungee Brook

Fair

Windham County, Connecticut · 200 West of JCT RTE 198 · Structure no. 05769

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,100
2022 count
Owner
State
State Highway Agency

About this bridge

Route 171 over Bungee Brook is a concrete continuous culvert carrying Route 171 over Bungee Brook in Windham County, Connecticut. It was built in 1988, so it is 37 years old, younger 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 2,100 vehicles a day, roughly 6% of them trucks, projected to reach 3,120 by 2042. The structure is 22 ft (6.7 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoute 171
CrossesBungee Brook
Location200 West of JCT RTE 198
RouteState Highway 171
Coordinates41.93944, -72.07361
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2022)
Projected traffic3,120 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 171 over Bungee Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is Route 171 over Bungee 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 July 2023.

How much traffic does Route 171 over Bungee Brook carry?

About 2,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 171 over Bungee Brook?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns Route 171 over Bungee Brook?

It is owned by the State Highway Agency.