US Bridges

Kings HWY CR 551 over Mantua Creek

Fair

Gloucester County, New Jersey · 2.85 MI S. of Nj 45 · Structure no. 0803G01

Built
1937
88 years old, rebuilt 2001
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
72 ft
1 main span
Daily traffic
12,842
2024 count
Owner
County
County Highway Agency

About this bridge

Kings HWY CR 551 over Mantua Creek is a steel truss - thru carrying Kings HWY CR 551 over Mantua Creek in Gloucester County, New Jersey. It was built in 1937 and reconstructed in 2001, so it is 88 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 6 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 12,842 vehicles a day, roughly 4% of them trucks, projected to reach 15,410 by 2044. The structure is 72 ft (21.9 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKings HWY CR 551
CrossesMantua Creek
Location2.85 MI S. of Nj 45
RouteCounty Highway 551
CountyGloucester County
StateNew Jersey
Coordinates39.81223, -75.20343
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.9 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,842 (2024)
Projected traffic15,410 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kings HWY CR 551 over Mantua Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2001.

What condition is Kings HWY CR 551 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 October 2024.

How much traffic does Kings HWY CR 551 over Mantua Creek carry?

About 12,842 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Kings HWY CR 551 over Mantua Creek?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns Kings HWY CR 551 over Mantua Creek?

It is owned by the County Highway Agency.