US Bridges

Depot Road over Willimantic River

Fair

Tolland County, Connecticut · .2 MI from Jrt Route 32 · Structure no. 05989

Built
1900
125 years old, rebuilt 1990
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
527
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Depot Road over Willimantic River is a prestressed concrete box beam or girders - multiple carrying Depot Road over Willimantic River in Tolland County, Connecticut. It was built in 1900 and reconstructed in 1990, so it is 125 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 527 vehicles a day, roughly 7% of them trucks, projected to reach 783 by 2043. The structure is 138 ft (42.1 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDepot Road
CrossesWillimantic River
Location.2 MI from Jrt Route 32
RouteCity Street 0
Coordinates41.76251, -72.26887
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadUnknown
Structure length138 ft (42.1 m)
Longest span43 ft (13.1 m)
Deck width17 ft (5.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic527 (2023)
Projected traffic783 by 2043
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Depot Road over Willimantic River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1990.

What condition is Depot 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 Depot Road over Willimantic River carry?

About 527 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Depot Road over Willimantic River?

The structure is 138 ft (42.1 m) long with a longest span of 43 ft (13.1 m) and a deck 17 ft wide.

Who owns Depot Road over Willimantic River?

It is owned by the Town or Township Highway Agency.