US Bridges

Nj Route 55 NB over Mantua Creek

Good

Gloucester County, New Jersey · 2.05 MI South of Exit 56 · Structure no. 0832156

Built
1984
41 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
261 ft
3 main spans
Daily traffic
28,426
2023 count
Owner
State
State Highway Agency

About this bridge

Nj Route 55 NB over Mantua Creek is a steel stringer/multi-beam or girder carrying Nj Route 55 NB over Mantua Creek in Gloucester County, New Jersey. It was built in 1984, so it is 41 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 28,426 vehicles a day, roughly 5% of them trucks, projected to reach 34,112 by 2043. The structure is 261 ft (79.6 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj Route 55 NB
CrossesMantua Creek
Location2.05 MI South of Exit 56
RouteState Highway 55
CountyGloucester County
StateNew Jersey
Coordinates39.76487, -75.12061
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length261 ft (79.6 m)
Longest span86 ft (26.2 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,426 (2023)
Projected traffic34,112 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Route 55 NB over Mantua Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nj Route 55 NB 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 September 2023.

How much traffic does Nj Route 55 NB over Mantua Creek carry?

About 28,426 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj Route 55 NB over Mantua Creek?

The structure is 261 ft (79.6 m) long with a longest span of 86 ft (26.2 m) and a deck 48 ft wide.

Who owns Nj Route 55 NB over Mantua Creek?

It is owned by the State Highway Agency.