US Bridges

Route 74 over Hockanum River

Good

Tolland County, Connecticut · .5 MI West of Route 83 · Structure no. 05588

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
7,000
2024 count
Owner
State
State Highway Agency

About this bridge

Route 74 over Hockanum River is a prestressed concrete box beam or girders - multiple carrying Route 74 over Hockanum River in Tolland County, Connecticut. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,000 vehicles a day, roughly 5% of them trucks, projected to reach 10,401 by 2044. The structure is 45 ft (13.7 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 74
CrossesHockanum River
Location.5 MI West of Route 83
RouteState Highway 74
Coordinates41.86593, -72.48638
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2024)
Projected traffic10,401 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Route 74 over Hockanum River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Route 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 September 2024.

How much traffic does Route 74 over Hockanum River carry?

About 7,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Route 74 over Hockanum River?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns Route 74 over Hockanum River?

It is owned by the State Highway Agency.