US Bridges

Route 10 over Quinnipiac River

Fair

Hartford County, Connecticut · 0.5 MI N of Route 322 · Structure no. 06291

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
9,800
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 1994, so it is 31 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 9,800 vehicles a day, roughly 6% of them trucks, projected to reach 14,562 by 2041. The structure is 45 ft (13.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 10
CrossesQuinnipiac River
Location0.5 MI N of Route 322
RouteState Highway 10
Coordinates41.57142, -72.89625
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width47 ft (14.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2021)
Projected traffic14,562 by 2041
Trucks6%
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 10 over Quinnipiac River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Route 10 over Quinnipiac 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 April 2023.

How much traffic does Route 10 over Quinnipiac River carry?

About 9,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 10 over Quinnipiac River?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 47 ft wide.

Who owns Route 10 over Quinnipiac River?

It is owned by the State Highway Agency.