US Bridges

Turnpike Nso over Third Avenue

Fair

Union County, New Jersey · .3 MI N Elizabeth River · Structure no. M10005S

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
57,038
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Turnpike Nso over Third Avenue is a steel stringer/multi-beam or girder carrying Turnpike Nso over Third Avenue in Union County, New Jersey. It was built in 1970, so it is 55 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 57,038 vehicles a day, roughly 26% of them trucks, projected to reach 82,500 by 2043. The structure is 142 ft (43.3 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTurnpike Nso
CrossesThird Avenue
Location.3 MI N Elizabeth River
RouteInterstate 95
Coordinates40.64932, -74.20101
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span68 ft (20.7 m)
Deck width65 ft (19.8 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,038 (2023)
Projected traffic82,500 by 2043
Trucks26%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Turnpike Nso over Third Avenue built?

It was built in 1970, making it 55 years old in 2025.

What condition is Turnpike Nso over Third Avenue 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 Turnpike Nso over Third Avenue carry?

About 57,038 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is Turnpike Nso over Third Avenue?

The structure is 142 ft (43.3 m) long with a longest span of 68 ft (20.7 m) and a deck 65 ft wide.

Who owns Turnpike Nso over Third Avenue?

It is owned by the State Toll Authority.