US Bridges

Njtpk INT12 Rp Tno over Conrail

Fair

Middlesex County, New Jersey · Interchange 12 · Structure no. M09596N

Built
1995
30 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
472 ft
4 main spans
Daily traffic
5,862
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk INT12 Rp Tno over Conrail is a steel continuous stringer/multi-beam or girder carrying Njtpk INT12 Rp Tno over Conrail in Middlesex County, New Jersey. It was built in 1995, so it is 30 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 5,862 vehicles a day, roughly 32% of them trucks, projected to reach 4,720 by 2043. The structure is 472 ft (143.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk INT12 Rp Tno
CrossesConrail
LocationInterchange 12
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.59547, -74.23301
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length472 ft (143.9 m)
Longest span152 ft (46.3 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,862 (2023)
Projected traffic4,720 by 2043
Trucks32%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesRailroad
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 Tno over Conrail built?

It was built in 1995, making it 30 years old in 2025.

What condition is Njtpk INT12 Rp Tno over 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 Tno over Conrail carry?

About 5,862 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is Njtpk INT12 Rp Tno over Conrail?

The structure is 472 ft (143.9 m) long with a longest span of 152 ft (46.3 m) and a deck 33 ft wide.

Who owns Njtpk INT12 Rp Tno over Conrail?

It is owned by the State Toll Authority.