US Bridges

Njtpk Sno Roadway over Conrail Jamesburg Br

Fair

Middlesex County, New Jersey · .4 MI N Interchange 8A · Structure no. M07431N

Built
1990
35 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
31,337
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk Sno Roadway over Conrail Jamesburg Br is a steel continuous stringer/multi-beam or girder carrying Njtpk Sno Roadway over Conrail Jamesburg Br in Middlesex County, New Jersey. It was built in 1990, so it is 35 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 31,337 vehicles a day, roughly 30% of them trucks, projected to reach 56,157 by 2043. The structure is 123 ft (37.5 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNjtpk Sno Roadway
CrossesConrail Jamesburg Br
Location.4 MI N Interchange 8A
RouteInterstate 95
Coordinates40.35678, -74.47028
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 inspectionMay 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating67.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length123 ft (37.5 m)
Longest span42 ft (12.8 m)
Deck width59 ft (18 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,337 (2023)
Projected traffic56,157 by 2043
Trucks30%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
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 Sno Roadway over Conrail Jamesburg Br built?

It was built in 1990, making it 35 years old in 2025.

What condition is Njtpk Sno Roadway over Conrail Jamesburg Br 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 Sno Roadway over Conrail Jamesburg Br carry?

About 31,337 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is Njtpk Sno Roadway over Conrail Jamesburg Br?

The structure is 123 ft (37.5 m) long with a longest span of 42 ft (12.8 m) and a deck 59 ft wide.

Who owns Njtpk Sno Roadway over Conrail Jamesburg Br?

It is owned by the State Toll Authority.