US Bridges

Nj 47 over Mantua Creek

Good

Gloucester County, New Jersey · 1.34 MI S of CR 635 · Structure no. 0813150

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
12,166
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 47 over Mantua Creek is a prestressed concrete box beam or girders - multiple carrying Nj 47 over Mantua Creek in Gloucester County, New Jersey. It was built in 2009, so it is 16 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,166 vehicles a day, roughly 4% of them trucks, projected to reach 14,844 by 2043. The structure is 38 ft (11.6 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 47
CrossesMantua Creek
Location1.34 MI S of CR 635
RouteState Highway 47
Coordinates39.73755, -75.11375
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating85 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span30 ft (9.1 m)
Deck width69 ft (20.9 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,166 (2023)
Projected traffic14,844 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 47 over Mantua Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nj 47 over Mantua Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Nj 47 over Mantua Creek carry?

About 12,166 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 47 over Mantua Creek?

The structure is 38 ft (11.6 m) long with a longest span of 30 ft (9.1 m) and a deck 69 ft wide.

Who owns Nj 47 over Mantua Creek?

It is owned by the State Highway Agency.