US Bridges

Route 322 over Quinnipiac River

Fair

Hartford County, Connecticut · Southington-Cheshire Tl · Structure no. 00519

Built
1948
77 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
10,600
2019 count
Owner
State
State Highway Agency

About this bridge

Route 322 over Quinnipiac River is a concrete continuous culvert carrying Route 322 over Quinnipiac River in Hartford County, Connecticut. It was built in 1948, so it is 77 years old, older 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 10,600 vehicles a day, roughly 5% of them trucks, projected to reach 15,751 by 2039. The structure is 63 ft (19.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 322
CrossesQuinnipiac River
LocationSouthington-Cheshire Tl
RouteState Highway 322
Coordinates41.56314, -72.87967
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length63 ft (19.2 m)
Longest span20 ft (6.1 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2019)
Projected traffic15,751 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 322 over Quinnipiac River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Route 322 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 July 2024.

How much traffic does Route 322 over Quinnipiac River carry?

About 10,600 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Route 322 over Quinnipiac River?

The structure is 63 ft (19.2 m) long with a longest span of 20 ft (6.1 m) and a deck 45 ft wide.

Who owns Route 322 over Quinnipiac River?

It is owned by the State Highway Agency.