US Bridges

Wilsonville Road over French River

Poor

Windham County, Connecticut · 200 Feet East of Route 12 · Structure no. 04797

Built
1936
89 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
1,300
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wilsonville Road over French River is a steel stringer/multi-beam or girder carrying Wilsonville Road over French River in Windham County, Connecticut. It was built in 1936, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,932 by 2042. The structure is 65 ft (19.8 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWilsonville Road
CrossesFrench River
Location200 Feet East of Route 12
RouteCity Street 0
Coordinates42.01318, -71.88675
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic1,932 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Wilsonville Road over French River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Wilsonville Road over French River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Wilsonville Road over French River carry?

About 1,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Wilsonville Road over French River?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 23 ft wide.

Who owns Wilsonville Road over French River?

It is owned by the Town or Township Highway Agency.