US Bridges

I-287 SB over Layton Road

Fair

Somerset County, New Jersey · 1.46 MI N of Exit 22 · Structure no. 1815158

Built
1964
61 years old, rebuilt 1997
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
46,306
2024 count
Owner
State
State Highway Agency

About this bridge

I-287 SB over Layton Road is a prestressed concrete stringer/multi-beam or girder carrying I-287 SB over Layton Road in Somerset County, New Jersey. It was built in 1964 and reconstructed in 1997, so it is 61 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 46,306 vehicles a day, roughly 9% of them trucks, projected to reach 56,502 by 2044. The structure is 122 ft (37.2 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-287 SB
CrossesLayton Road
Location1.46 MI N of Exit 22
RouteInterstate 287
Coordinates40.67136, -74.62429
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.2 m)
Longest span58 ft (17.7 m)
Deck width58 ft (17.8 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic46,306 (2024)
Projected traffic56,502 by 2044
Trucks9%
Lanes on structure3
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 SB over Layton Road built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1997.

What condition is I-287 SB over Layton Road 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 June 2024.

How much traffic does I-287 SB over Layton Road carry?

About 46,306 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I-287 SB over Layton Road?

The structure is 122 ft (37.2 m) long with a longest span of 58 ft (17.7 m) and a deck 58 ft wide.

Who owns I-287 SB over Layton Road?

It is owned by the State Highway Agency.