US Bridges

Nj Turnpike over Mantua Creek

Fair

Gloucester County, New Jersey · 5.3 MI North of Exit 2 · Structure no. M018450

Built
1951
74 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
166 ft
3 main spans
Daily traffic
54,190
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nj Turnpike over Mantua Creek is a steel continuous stringer/multi-beam or girder carrying Nj Turnpike over Mantua Creek in Gloucester County, New Jersey. It was built in 1951, so it is 74 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 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 54,190 vehicles a day, roughly 12% of them trucks, projected to reach 67,052 by 2042. The structure is 166 ft (50.6 m) long and 100 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNj Turnpike
CrossesMantua Creek
Location5.3 MI North of Exit 2
CountyGloucester County
StateNew Jersey
Coordinates39.80176, -75.19241
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span74 ft (22.6 m)
Deck width100 ft (30.5 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,190 (2022)
Projected traffic67,052 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj Turnpike over Mantua Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Nj Turnpike over Mantua Creek 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 March 2024.

How much traffic does Nj Turnpike over Mantua Creek carry?

About 54,190 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Nj Turnpike over Mantua Creek?

The structure is 166 ft (50.6 m) long with a longest span of 74 ft (22.6 m) and a deck 100 ft wide.

Who owns Nj Turnpike over Mantua Creek?

It is owned by the State Toll Authority.