US Bridges

Foothill Road over I-287

Poor

Somerset County, New Jersey · 0.8 MI North of US 22 JCT · Structure no. 1813154

Built
1963
62 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
5 main spans
Daily traffic
4,264
2024 count
Owner
State
State Highway Agency

About this bridge

Foothill Road over I-287 is a prestressed concrete stringer/multi-beam or girder carrying Foothill Road over I-287 in Somerset County, New Jersey. It was built in 1963, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,264 vehicles a day, roughly 3% of them trucks, projected to reach 5,202 by 2044. The structure is 301 ft (91.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFoothill Road
CrossesI-287
Location0.8 MI North of US 22 JCT
RouteCity Street 0
Coordinates40.57998, -74.58003
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length301 ft (91.7 m)
Longest span74 ft (22.6 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,264 (2024)
Projected traffic5,202 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Foothill Road over I-287 built?

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

What condition is Foothill Road over I-287 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Foothill Road over I-287 carry?

About 4,264 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Foothill Road over I-287?

The structure is 301 ft (91.7 m) long with a longest span of 74 ft (22.6 m) and a deck 45 ft wide.

Who owns Foothill Road over I-287?

It is owned by the State Highway Agency.