US Bridges

Njtpk Sni-Sno Rwys over Former Lehigh Valley RR

Fair

Middlesex County, New Jersey · 1.3 MI North of Inter 9 · Structure no. M08455N

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
101,869
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk Sni-Sno Rwys over Former Lehigh Valley RR is a steel stringer/multi-beam or girder carrying Njtpk Sni-Sno Rwys over Former Lehigh Valley RR in Middlesex County, New Jersey. It was built in 1973, so it is 52 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 101,869 vehicles a day, roughly 10% of them trucks, projected to reach 143,915 by 2043. The structure is 154 ft (46.9 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk Sni-Sno Rwys
CrossesFormer Lehigh Valley RR
Location1.3 MI North of Inter 9
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.4917, -74.39247
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span54 ft (16.5 m)
Deck width126 ft (38.4 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,869 (2023)
Projected traffic143,915 by 2043
Trucks10%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 Sni-Sno Rwys over Former Lehigh Valley RR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Njtpk Sni-Sno Rwys over Former Lehigh Valley RR 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 April 2023.

How much traffic does Njtpk Sni-Sno Rwys over Former Lehigh Valley RR carry?

About 101,869 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Njtpk Sni-Sno Rwys over Former Lehigh Valley RR?

The structure is 154 ft (46.9 m) long with a longest span of 54 ft (16.5 m) and a deck 126 ft wide.

Who owns Njtpk Sni-Sno Rwys over Former Lehigh Valley RR?

It is owned by the State Toll Authority.