US Bridges

Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot

Fair

Union County, New Jersey · 2.1 MI NE of Bay Way Cir · Structure no. M10147A

Built
1970
55 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
710 ft
9 main spans
Daily traffic
16,614
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot is a steel stringer/multi-beam or girder carrying Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot in Union County, New Jersey. It was built in 1970 and reconstructed in 1991, 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 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 16,614 vehicles a day, roughly 1% of them trucks, projected to reach 14,245 by 2043. The structure is 710 ft (216.4 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNjtpk Int 13A Sit
CrossesNj Tpk Rwy Nbo&ramp Sot
Location2.1 MI NE of Bay Way Cir
RouteInterstate 95
Coordinates40.66333, -74.18333
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length710 ft (216.4 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,614 (2023)
Projected traffic14,245 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1991.

What condition is Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot 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 May 2023.

How much traffic does Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot carry?

About 16,614 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot?

The structure is 710 ft (216.4 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns Njtpk Int 13A Sit over Nj Tpk Rwy Nbo&ramp Sot?

It is owned by the State Toll Authority.