US Bridges

Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail

Fair

Middlesex County, New Jersey · Interchange 12 · Structure no. M09596A

Built
1960
65 years old, rebuilt 1995
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
510 ft
5 main spans
Daily traffic
6,998
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail is a steel continuous stringer/multi-beam or girder carrying Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail in Middlesex County, New Jersey. It was built in 1960 and reconstructed in 1995, so it is 65 years old, older 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 6,998 vehicles a day, roughly 1% of them trucks, projected to reach 4,460 by 2043. The structure is 510 ft (155.4 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk INT12 Rp Tni
CrossesNjtpk Sno Rdwy & Conrail
LocationInterchange 12
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.59516, -74.23331
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length510 ft (155.4 m)
Longest span129 ft (39.3 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,998 (2023)
Projected traffic4,460 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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 INT12 Rp Tni over Njtpk Sno Rdwy & Conrail built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1995.

What condition is Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail 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 2023.

How much traffic does Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail carry?

About 6,998 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail?

The structure is 510 ft (155.4 m) long with a longest span of 129 ft (39.3 m) and a deck 30 ft wide.

Who owns Njtpk INT12 Rp Tni over Njtpk Sno Rdwy & Conrail?

It is owned by the State Toll Authority.