US Bridges

Bordentown Avenue over South River

Fair

Middlesex County, New Jersey · 0.06 Miles North of CR677 · Structure no. 123B078

Built
2008
17 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
2 main spans
Daily traffic
11,210
2023 count
Owner
County
County Highway Agency

About this bridge

Bordentown Avenue over South River is a prestressed concrete box beam or girders - multiple carrying Bordentown Avenue over South River in Middlesex County, New Jersey. It was built in 2008, so it is 17 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 11,210 vehicles a day, roughly 4% of them trucks, projected to reach 13,678 by 2043. The structure is 126 ft (38.4 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBordentown Avenue
CrossesSouth River
Location0.06 Miles North of CR677
RouteCounty Highway 615
Coordinates40.41648, -74.3617
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating81 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length126 ft (38.4 m)
Longest span60 ft (18.3 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,210 (2023)
Projected traffic13,678 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 Bordentown Avenue over South River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Bordentown Avenue 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 April 2023.

How much traffic does Bordentown Avenue over South River carry?

About 11,210 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bordentown Avenue over South River?

The structure is 126 ft (38.4 m) long with a longest span of 60 ft (18.3 m) and a deck 48 ft wide.

Who owns Bordentown Avenue over South River?

It is owned by the County Highway Agency.