US Bridges

I-287 SB over Passaic River

Fair

Somerset County, New Jersey · 0.25 MI N of Exit 30 · Structure no. 1815183

Built
1966
59 years old, rebuilt 1997
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
44,940
2023 count
Owner
State
State Highway Agency

About this bridge

I-287 SB over Passaic River is a concrete culvert carrying I-287 SB over Passaic River in Somerset County, New Jersey. It was built in 1966 and reconstructed in 1997, so it is 59 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 44,940 vehicles a day, roughly 9% of them trucks, projected to reach 63,446 by 2043. The structure is 52 ft (15.8 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-287 SB
CrossesPassaic River
Location0.25 MI N of Exit 30
RouteInterstate 287
CountySomerset County
StateNew Jersey
Coordinates40.73167, -74.53833
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width67 ft (20.3 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,940 (2023)
Projected traffic63,446 by 2043
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-287 SB over Passaic River built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1997.

What condition is I-287 SB over Passaic 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 May 2023.

How much traffic does I-287 SB over Passaic River carry?

About 44,940 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-287 SB over Passaic River?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 67 ft wide.

Who owns I-287 SB over Passaic River?

It is owned by the State Highway Agency.