US Bridges

Brigham Road over Willimantic River

Fair

Tolland County, Connecticut · At Mansfield Town Line · Structure no. 04630

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
108
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brigham Road over Willimantic River is a steel stringer/multi-beam or girder carrying Brigham Road over Willimantic River in Tolland County, Connecticut. It was built in 1956, so it is 69 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 108 vehicles a day, roughly 20% of them trucks, projected to reach 160 by 2041. The structure is 88 ft (26.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBrigham Road
CrossesWillimantic River
LocationAt Mansfield Town Line
RouteCity Street 0
Coordinates41.79721, -72.29985
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating82 US tons
Inventory rating49.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span82 ft (25.1 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2021)
Projected traffic160 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-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 Brigham Road over Willimantic River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Brigham Road over Willimantic River 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 Brigham Road over Willimantic River carry?

About 108 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Brigham Road over Willimantic River?

The structure is 88 ft (26.7 m) long with a longest span of 82 ft (25.1 m) and a deck 26 ft wide.

Who owns Brigham Road over Willimantic River?

It is owned by the Town or Township Highway Agency.