US Bridges

Route 10 over Quinnipiac River

Good

Hartford County, Connecticut · 0.8 MI N of I-84 · Structure no. 02254

Built
1972
53 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
13,500
2021 count
Owner
State
State Highway Agency

About this bridge

Route 10 over Quinnipiac River is a concrete continuous culvert carrying Route 10 over Quinnipiac River in Hartford County, Connecticut. It was built in 1972, so it is 53 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 13,500 vehicles a day, roughly 4% of them trucks, projected to reach 20,060 by 2041. The structure is 31 ft (9.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 10
CrossesQuinnipiac River
Location0.8 MI N of I-84
RouteState Highway 10
Coordinates41.64406, -72.87406
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width66 ft (20 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2021)
Projected traffic20,060 by 2041
Trucks4%
Lanes on structure4
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 10 over Quinnipiac River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Route 10 over Quinnipiac 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 July 2023.

How much traffic does Route 10 over Quinnipiac River carry?

About 13,500 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Route 10 over Quinnipiac River?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 66 ft wide.

Who owns Route 10 over Quinnipiac River?

It is owned by the State Highway Agency.