US Bridges

Route 83 & 74 over Hockanum River

Good

Tolland County, Connecticut · 300 West of West Street · Structure no. 06294

Built
1993
32 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
12,600
2023 count
Owner
State
State Highway Agency

About this bridge

Route 83 & 74 over Hockanum River is a concrete continuous culvert carrying Route 83 & 74 over Hockanum River in Tolland County, Connecticut. It was built in 1993, so it is 32 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,600 vehicles a day, roughly 4% of them trucks, projected to reach 18,722 by 2043. The structure is 28 ft (8.5 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 83 & 74
CrossesHockanum River
Location300 West of West Street
RouteState Highway 83
Coordinates41.86816, -72.46593
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width60 ft (18.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2023)
Projected traffic18,722 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Route 83 & 74 over Hockanum River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Route 83 & 74 over Hockanum River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Route 83 & 74 over Hockanum River carry?

About 12,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Route 83 & 74 over Hockanum River?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 60 ft wide.

Who owns Route 83 & 74 over Hockanum River?

It is owned by the State Highway Agency.