US Bridges

SR 527 over Hockanum River

Fair

Tolland County, Connecticut · 0.1 Mile South of RTE 74 · Structure no. 05961

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
7,200
2020 count
Owner
State
State Highway Agency

About this bridge

SR 527 over Hockanum River is a concrete tee beam carrying SR 527 over Hockanum River in Tolland County, Connecticut. It was built in 1990, so it is 35 years old, younger 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 7,200 vehicles a day, roughly 4% of them trucks, projected to reach 10,698 by 2040. The structure is 38 ft (11.6 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 527
CrossesHockanum River
Location0.1 Mile South of RTE 74
RouteState Highway 527
Coordinates41.86659, -72.46477
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating83.9 US tons
Inventory rating50.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span33 ft (10.1 m)
Deck width50 ft (15.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2020)
Projected traffic10,698 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 527 over Hockanum River built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 527 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 February 2023.

How much traffic does SR 527 over Hockanum River carry?

About 7,200 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is SR 527 over Hockanum River?

The structure is 38 ft (11.6 m) long with a longest span of 33 ft (10.1 m) and a deck 50 ft wide.

Who owns SR 527 over Hockanum River?

It is owned by the State Highway Agency.