US Bridges

I-287 over Whippany River

Fair

Morris County, New Jersey · 0.51MI. So. of Nj 24 JCT · Structure no. 1419184

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
125,809
2024 count
Owner
State
State Highway Agency

About this bridge

I-287 over Whippany River is a concrete culvert carrying I-287 over Whippany River in Morris County, New Jersey. It was built in 1973, so it is 52 years old, younger 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 125,809 vehicles a day, roughly 9% of them trucks, projected to reach 150,971 by 2044. The structure is 52 ft (15.8 m) long and 129 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-287
CrossesWhippany River
Location0.51MI. So. of Nj 24 JCT
RouteInterstate 287
CountyMorris County
StateNew Jersey
Coordinates40.80592, -74.45568
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width129 ft (39.3 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic125,809 (2024)
Projected traffic150,971 by 2044
Trucks9%
Lanes on structure8
Traffic directionTwo-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 over Whippany River built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-287 over Whippany 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 February 2024.

How much traffic does I-287 over Whippany River carry?

About 125,809 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-287 over Whippany River?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 129 ft wide.

Who owns I-287 over Whippany River?

It is owned by the State Highway Agency.