US Bridges

I-287 NB over US 1

Fair

Middlesex County, New Jersey · At US 1 Junction · Structure no. 1230151

Built
1963
62 years old, rebuilt 2008
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
361 ft
4 main spans
Daily traffic
79,975
2023 count
Owner
State
State Highway Agency

About this bridge

I-287 NB over US 1 is a steel stringer/multi-beam or girder carrying I-287 NB over US 1 in Middlesex County, New Jersey. It was built in 1963 and reconstructed in 2008, so it is 62 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 5 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 79,975 vehicles a day, roughly 9% of them trucks, projected to reach 95,975 by 2043. The structure is 361 ft (110 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-287 NB
CrossesUS 1
LocationAt US 1 Junction
RouteInterstate 287
CountyMiddlesex County
StateNew Jersey
Coordinates40.52875, -74.35426
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating45.7 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length361 ft (110 m)
Longest span126 ft (38.4 m)
Deck width70 ft (21.2 m)
Roadway width66 ft (20.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,975 (2023)
Projected traffic95,975 by 2043
Trucks9%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-287 NB over US 1 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2008.

What condition is I-287 NB over US 1 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 2023.

How much traffic does I-287 NB over US 1 carry?

About 79,975 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-287 NB over US 1?

The structure is 361 ft (110 m) long with a longest span of 126 ft (38.4 m) and a deck 70 ft wide.

Who owns I-287 NB over US 1?

It is owned by the State Highway Agency.