US Bridges

Windsor Avenue over Hockanum River

Fair

Tolland County, Connecticut · 400 Ft from JCT Route 74 · Structure no. 04574

Built
1900
125 years old, rebuilt 1955
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,655
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Windsor Avenue over Hockanum River is a concrete slab carrying Windsor Avenue over Hockanum River in Tolland County, Connecticut. It was built in 1900 and reconstructed in 1955, 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 5 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 1,655 vehicles a day, roughly 2% of them trucks, projected to reach 2,459 by 2043. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWindsor Avenue
CrossesHockanum River
Location400 Ft from JCT Route 74
RouteCity Street 0
Coordinates41.86783, -72.46583
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,655 (2023)
Projected traffic2,459 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Windsor Avenue over Hockanum River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1955.

What condition is Windsor Avenue over Hockanum 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 October 2023.

How much traffic does Windsor Avenue over Hockanum River carry?

About 1,655 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Windsor Avenue over Hockanum River?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns Windsor Avenue over Hockanum River?

It is owned by the Town or Township Highway Agency.