US Bridges

Oak Street No. 2 over Quinnipiac River

Fair

New Haven County, Connecticut · 0.1 MI W of Route 71 · Structure no. 05919

Built
1989
36 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
2,596
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Oak Street No. 2 over Quinnipiac River is a steel stringer/multi-beam or girder carrying Oak Street No. 2 over Quinnipiac River in New Haven County, Connecticut. It was built in 1989, so it is 36 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 2,596 vehicles a day, roughly 4% of them trucks, projected to reach 3,857 by 2043. The structure is 116 ft (35.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak Street No. 2
CrossesQuinnipiac River
Location0.1 MI W of Route 71
RouteCity Street 0
Coordinates41.49977, -72.81851
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span110 ft (33.5 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,596 (2023)
Projected traffic3,857 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Oak Street No. 2 over Quinnipiac River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Oak Street No. 2 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 March 2023.

How much traffic does Oak Street No. 2 over Quinnipiac River carry?

About 2,596 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Oak Street No. 2 over Quinnipiac River?

The structure is 116 ft (35.4 m) long with a longest span of 110 ft (33.5 m) and a deck 39 ft wide.

Who owns Oak Street No. 2 over Quinnipiac River?

It is owned by the Town or Township Highway Agency.