US Bridges

Route Nj 81 over North Ave. WB (cr 624)

Fair

Union County, New Jersey · 0.6 MI N of Njtpk Ex 13A · Structure no. 2019151

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
1 main span
Daily traffic
46,974
2023 count
Owner
State
State Highway Agency

About this bridge

Route Nj 81 over North Ave. WB (cr 624) is a steel stringer/multi-beam or girder carrying Route Nj 81 over North Ave. WB (cr 624) in Union County, New Jersey. It was built in 1982, so it is 43 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 46,974 vehicles a day, roughly 20% of them trucks, projected to reach 57,318 by 2043. The structure is 93 ft (28.3 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute Nj 81
CrossesNorth Ave. WB (cr 624)
Location0.6 MI N of Njtpk Ex 13A
RouteState Highway 81
CountyUnion County
StateNew Jersey
Coordinates40.67614, -74.19112
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width114 ft (34.8 m)
Roadway width106 ft (32.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,974 (2023)
Projected traffic57,318 by 2043
Trucks20%
Lanes on structure6
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route Nj 81 over North Ave. WB (cr 624) built?

It was built in 1982, making it 43 years old in 2025.

What condition is Route Nj 81 over North Ave. WB (cr 624) 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 May 2023.

How much traffic does Route Nj 81 over North Ave. WB (cr 624) carry?

About 46,974 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Route Nj 81 over North Ave. WB (cr 624)?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 114 ft wide.

Who owns Route Nj 81 over North Ave. WB (cr 624)?

It is owned by the State Highway Agency.