US Bridges

Highland Avenue over NJT Boonton Line (abnd)

Fair

Essex County, New Jersey · 2.0MI SW of Gsp Exit 151 · Structure no. 0769167

Built
1996
29 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
99 ft
3 main spans
Daily traffic
3,366
2023 count
Owner
Unknown
Unknown

About this bridge

Highland Avenue over NJT Boonton Line (abnd) is a prestressed concrete slab carrying Highland Avenue over NJT Boonton Line (abnd) in Essex County, New Jersey. It was built in 1996, so it is 29 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 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 3,366 vehicles a day, roughly 1% of them trucks, projected to reach 4,107 by 2043. The structure is 99 ft (30.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHighland Avenue
CrossesNJT Boonton Line (abnd)
Location2.0MI SW of Gsp Exit 151
RouteCity Street 0
CountyEssex County
StateNew Jersey
Coordinates40.80866, -74.20448
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length99 ft (30.2 m)
Longest span49 ft (14.9 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,366 (2023)
Projected traffic4,107 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highland Avenue over NJT Boonton Line (abnd) built?

It was built in 1996, making it 29 years old in 2025.

What condition is Highland Avenue over NJT Boonton Line (abnd) 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 October 2023.

How much traffic does Highland Avenue over NJT Boonton Line (abnd) carry?

About 3,366 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Highland Avenue over NJT Boonton Line (abnd)?

The structure is 99 ft (30.2 m) long with a longest span of 49 ft (14.9 m) and a deck 45 ft wide.

Who owns Highland Avenue over NJT Boonton Line (abnd)?

It is owned by the Unknown and maintained by the State Highway Agency.