US Bridges

Matawan RD (CR527) over South River

Good

Middlesex County, New Jersey · 0.46 MI N of Rt 516 · Structure no. 123B050

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
93 ft
3 main spans
Daily traffic
6,992
2023 count
Owner
County
County Highway Agency

About this bridge

Matawan RD (CR527) over South River is a concrete slab carrying Matawan RD (CR527) over South River in Middlesex County, New Jersey. It was built in 1998, so it is 27 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 6,992 vehicles a day, roughly 3% of them trucks, projected to reach 8,532 by 2043. The structure is 93 ft (28.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMatawan RD (CR527)
CrossesSouth River
Location0.46 MI N of Rt 516
RouteCounty Highway 527
Coordinates40.41211, -74.3645
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span29 ft (8.8 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,992 (2023)
Projected traffic8,532 by 2043
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$129,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Matawan RD (CR527) over South River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Matawan RD (CR527) over South River 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 Matawan RD (CR527) over South River carry?

About 6,992 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Matawan RD (CR527) over South River?

The structure is 93 ft (28.3 m) long with a longest span of 29 ft (8.8 m) and a deck 38 ft wide.

Who owns Matawan RD (CR527) over South River?

It is owned by the County Highway Agency.