US Bridges

I-287 SB over Nj 18 Sp.(possumtown Rd)

Fair

Middlesex County, New Jersey · .1MILE No of Ambrose Bk. · Structure no. 1231167

Built
1962
63 years old, rebuilt 2010
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
61,731
2024 count
Owner
State
State Highway Agency

About this bridge

I-287 SB over Nj 18 Sp.(possumtown Rd) is a prestressed concrete stringer/multi-beam or girder carrying I-287 SB over Nj 18 Sp.(possumtown Rd) in Middlesex County, New Jersey. It was built in 1962 and reconstructed in 2010, so it is 63 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 61,731 vehicles a day, roughly 9% of them trucks, projected to reach 75,323 by 2044. The structure is 118 ft (36 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-287 SB
CrossesNj 18 Sp.(possumtown Rd)
Location.1MILE No of Ambrose Bk.
RouteInterstate 287
Coordinates40.55381, -74.48402
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating42 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span62 ft (18.9 m)
Deck width65 ft (19.9 m)
Roadway width62 ft (18.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,731 (2024)
Projected traffic75,323 by 2044
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$4.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-287 SB over Nj 18 Sp.(possumtown Rd) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2010.

What condition is I-287 SB over Nj 18 Sp.(possumtown 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 May 2024.

How much traffic does I-287 SB over Nj 18 Sp.(possumtown Rd) carry?

About 61,731 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-287 SB over Nj 18 Sp.(possumtown Rd)?

The structure is 118 ft (36 m) long with a longest span of 62 ft (18.9 m) and a deck 65 ft wide.

Who owns I-287 SB over Nj 18 Sp.(possumtown Rd)?

It is owned by the State Highway Agency.