US Bridges

I-287 Ramp B over I-287 SB

Fair

Somerset County, New Jersey · 202&206 JCT · Structure no. 1814150

Built
1963
62 years old, rebuilt 1994
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
292 ft
3 main spans
Daily traffic
22,772
2023 count
Owner
State
State Highway Agency

About this bridge

I-287 Ramp B over I-287 SB is a steel stringer/multi-beam or girder carrying I-287 Ramp B over I-287 SB in Somerset County, New Jersey. It was built in 1963 and reconstructed in 1994, 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 22,772 vehicles a day, roughly 9% of them trucks, projected to reach 27,326 by 2043. The structure is 292 ft (89 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-287 Ramp B
CrossesI-287 SB
Location202&206 JCT
RouteInterstate 287
CountySomerset County
StateNew Jersey
Coordinates40.59589, -74.62443
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length292 ft (89 m)
Longest span141 ft (43 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,772 (2023)
Projected traffic27,326 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-287 Ramp B over I-287 SB built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1994.

What condition is I-287 Ramp B over I-287 SB 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 August 2023.

How much traffic does I-287 Ramp B over I-287 SB carry?

About 22,772 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-287 Ramp B over I-287 SB?

The structure is 292 ft (89 m) long with a longest span of 141 ft (43 m) and a deck 38 ft wide.

Who owns I-287 Ramp B over I-287 SB?

It is owned by the State Highway Agency.