US Bridges

River Road over Quanduck Brook

Good

Windham County, Connecticut · 0.5 MI East of Main ST · Structure no. 04996

Built
1983
42 years old, rebuilt 2012
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
2 main spans
Daily traffic
409
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

River Road over Quanduck Brook is a steel stringer/multi-beam or girder carrying River Road over Quanduck Brook in Windham County, Connecticut. It was built in 1983 and reconstructed in 2012, so it is 42 years old, younger 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 409 vehicles a day, roughly 7% of them trucks, projected to reach 608 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiver Road
CrossesQuanduck Brook
Location0.5 MI East of Main ST
RouteCity Street 0
Coordinates41.72266, -71.82278
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic409 (2024)
Projected traffic608 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Quanduck Brook built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2012.

What condition is River Road over Quanduck 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 June 2024.

How much traffic does River Road over Quanduck Brook carry?

About 409 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is River Road over Quanduck Brook?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns River Road over Quanduck Brook?

It is owned by the Town or Township Highway Agency.