US Bridges

I-287 NB over South Randolphville RD

Fair

Middlesex County, New Jersey · I-287 (exit 7) · Structure no. 1231162

Built
1961
64 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
60,428
2022 count
Owner
State
State Highway Agency

About this bridge

I-287 NB over South Randolphville RD is a prestressed concrete stringer/multi-beam or girder carrying I-287 NB over South Randolphville RD in Middlesex County, New Jersey. It was built in 1961 and reconstructed in 1994, so it is 64 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 60,428 vehicles a day, roughly 9% of them trucks, projected to reach 72,514 by 2042. The structure is 148 ft (45.1 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-287 NB
CrossesSouth Randolphville RD
LocationI-287 (exit 7)
RouteInterstate 287
Coordinates40.55685, -74.46213
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span77 ft (23.5 m)
Deck width66 ft (20.2 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,428 (2022)
Projected traffic72,514 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$11.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-287 NB over South Randolphville RD built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.

What condition is I-287 NB over South Randolphville RD 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 July 2024.

How much traffic does I-287 NB over South Randolphville RD carry?

About 60,428 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I-287 NB over South Randolphville RD?

The structure is 148 ft (45.1 m) long with a longest span of 77 ft (23.5 m) and a deck 66 ft wide.

Who owns I-287 NB over South Randolphville RD?

It is owned by the State Highway Agency.