US Bridges

East Johnson Ave over Quinnipiac River

Good

New Haven County, Connecticut · 1.1 MI E of Route 10 · Structure no. 04836

Built
2016
9 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
4,700
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Johnson Ave over Quinnipiac River is a prestressed concrete box beam or girders - multiple carrying East Johnson Ave over Quinnipiac River in New Haven 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 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 4,700 vehicles a day, roughly 4% of them trucks, projected to reach 6,984 by 2042. The structure is 110 ft (33.5 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEast Johnson Ave
CrossesQuinnipiac River
Location1.1 MI E of Route 10
RouteCity Street 0
Coordinates41.54953, -72.87072
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.9 US tons
Inventory rating72.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span105 ft (32 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic6,984 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 East Johnson Ave over Quinnipiac River built?

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

What condition is East Johnson Ave 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 March 2023.

How much traffic does East Johnson Ave over Quinnipiac River carry?

About 4,700 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is East Johnson Ave over Quinnipiac River?

The structure is 110 ft (33.5 m) long with a longest span of 105 ft (32 m) and a deck 38 ft wide.

Who owns East Johnson Ave over Quinnipiac River?

It is owned by the Town or Township Highway Agency.