US Bridges

Nj 4 over Hackensack Rivr & Road

Poor

Bergen County, New Jersey · 2.5 MI SE of NJ4&NJ17 JCT · Structure no. 0206166

Built
1931
94 years old, rebuilt 1962
Condition
Poor
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
546 ft
8 main spans
Daily traffic
92,076
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 4 over Hackensack Rivr & Road is a steel girder and floorbeam system carrying Nj 4 over Hackensack Rivr & Road in Bergen County, New Jersey. It was built in 1931 and reconstructed in 1962, so it is 94 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 92,076 vehicles a day, roughly 4% of them trucks, projected to reach 112,333 by 2043. The structure is 546 ft (166.4 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNj 4
CrossesHackensack Rivr & Road
Location2.5 MI SE of NJ4&NJ17 JCT
RouteState Highway 4
CountyBergen County
StateNew Jersey
Coordinates40.90305, -74.03083
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length546 ft (166.4 m)
Longest span93 ft (28.3 m)
Deck width74 ft (22.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,076 (2023)
Projected traffic112,333 by 2043
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$39.7 million (2023 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Nj 4 over Hackensack Rivr & Road built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1962.

What condition is Nj 4 over Hackensack Rivr & Road 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 March 2023.

How much traffic does Nj 4 over Hackensack Rivr & Road carry?

About 92,076 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 4 over Hackensack Rivr & Road?

The structure is 546 ft (166.4 m) long with a longest span of 93 ft (28.3 m) and a deck 74 ft wide.

Who owns Nj 4 over Hackensack Rivr & Road?

It is owned by the State Highway Agency.