US Bridges

Old Br.-Matawan RD over Deep Run

Good

Middlesex County, New Jersey · 0.81 Miles East of Nj 18 · Structure no. 123B049

Built
2007
18 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
28,223
2023 count
Owner
County
County Highway Agency

About this bridge

Old Br.-Matawan RD over Deep Run is a prestressed concrete slab carrying Old Br.-Matawan RD over Deep Run in Middlesex County, New Jersey. It was built in 2007, so it is 18 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 28,223 vehicles a day, roughly 4% of them trucks, projected to reach 34,432 by 2043. The structure is 47 ft (14.3 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOld Br.-Matawan RD
CrossesDeep Run
Location0.81 Miles East of Nj 18
RouteCounty Highway 516
Coordinates40.40989, -74.34589
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 protection7 GoodSome minor problems.
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 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 rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length47 ft (14.3 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,223 (2023)
Projected traffic34,432 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Old Br.-Matawan RD over Deep Run built?

It was built in 2007, making it 18 years old in 2025.

What condition is Old Br.-Matawan RD over Deep Run 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 Old Br.-Matawan RD over Deep Run carry?

About 28,223 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Old Br.-Matawan RD over Deep Run?

The structure is 47 ft (14.3 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns Old Br.-Matawan RD over Deep Run?

It is owned by the County Highway Agency.