US Bridges

Njtpk INT.12 R.Sot over Central Railroad of Nj

Fair

Middlesex County, New Jersey · Interchange 12 · Structure no. M09592B

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
2 main spans
Daily traffic
1,968
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk INT.12 R.Sot over Central Railroad of Nj is a steel continuous stringer/multi-beam or girder carrying Njtpk INT.12 R.Sot over Central Railroad of Nj in Middlesex 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 1,968 vehicles a day, roughly 37% of them trucks, projected to reach 4,900 by 2043. The structure is 263 ft (80.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk INT.12 R.Sot
CrossesCentral Railroad of Nj
LocationInterchange 12
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.59415, -74.23379
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length263 ft (80.2 m)
Longest span155 ft (47.2 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,968 (2023)
Projected traffic4,900 by 2043
Trucks37%
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 INT.12 R.Sot over Central Railroad of Nj built?

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

What condition is Njtpk INT.12 R.Sot over Central Railroad of Nj 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 INT.12 R.Sot over Central Railroad of Nj carry?

About 1,968 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is Njtpk INT.12 R.Sot over Central Railroad of Nj?

The structure is 263 ft (80.2 m) long with a longest span of 155 ft (47.2 m) and a deck 32 ft wide.

Who owns Njtpk INT.12 R.Sot over Central Railroad of Nj?

It is owned by the State Toll Authority.