US Bridges

Nj 24 Westbound over I-287

Fair

Morris County, New Jersey · At Junction With I-287 · Structure no. 1421153

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
2 main spans
Daily traffic
48,900
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 24 Westbound over I-287 is a prestressed concrete stringer/multi-beam or girder carrying Nj 24 Westbound over I-287 in Morris County, New Jersey. It was built in 1991, so it is 34 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 48,900 vehicles a day, roughly 5% of them trucks, projected to reach 58,700 by 2043. The structure is 251 ft (76.5 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 24 Westbound
CrossesI-287
LocationAt Junction With I-287
RouteState Highway 24
Coordinates40.81154, -74.44726
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length251 ft (76.5 m)
Longest span121 ft (36.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,900 (2023)
Projected traffic58,700 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$910,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 24 Westbound over I-287 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nj 24 Westbound over I-287 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 March 2023.

How much traffic does Nj 24 Westbound over I-287 carry?

About 48,900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj 24 Westbound over I-287?

The structure is 251 ft (76.5 m) long with a longest span of 121 ft (36.9 m) and a deck 30 ft wide.

Who owns Nj 24 Westbound over I-287?

It is owned by the State Highway Agency.