US Bridges

Forty Wire RD over South River

Fair

Atlantic County, New Jersey · 0.68 MI W. of RT40 · Structure no. 01W0001

Built
1971
54 years old
Condition
Fair
inspected January 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
4,324
2023 count
Owner
County
County Highway Agency

About this bridge

Forty Wire RD over South River is a prestressed concrete tee beam carrying Forty Wire RD over South River in Atlantic County, New Jersey. It was built in 1971, so it is 54 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 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 4,324 vehicles a day, roughly 1% of them trucks, projected to reach 5,189 by 2043. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesForty Wire RD
CrossesSouth River
Location0.68 MI W. of RT40
RouteCounty Highway 668
Coordinates39.44033, -74.75544
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,324 (2023)
Projected traffic5,189 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Forty Wire RD over South River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Forty Wire RD over South River 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 January 2023.

How much traffic does Forty Wire RD over South River carry?

About 4,324 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Forty Wire RD over South River?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns Forty Wire RD over South River?

It is owned by the County Highway Agency.