US Bridges

Nj 4 over River Road (cr 41)

Fair

Bergen County, New Jersey · 0.25 MI East of Hacken.R. · Structure no. 0206167

Built
1931
94 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
93,416
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 4 over River Road (cr 41) is a steel stringer/multi-beam or girder carrying Nj 4 over River Road (cr 41) in Bergen County, New Jersey. It was built in 1931, 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 fair condition with a lowest component rating of 5 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 93,416 vehicles a day, roughly 5% of them trucks, projected to reach 113,985 by 2044. The structure is 56 ft (17.1 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj 4
CrossesRiver Road (cr 41)
Location0.25 MI East of Hacken.R.
RouteState Highway 4
CountyBergen County
StateNew Jersey
Coordinates40.89953, -74.02687
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width85 ft (25.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,416 (2024)
Projected traffic113,985 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 4 over River Road (cr 41) built?

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

What condition is Nj 4 over River Road (cr 41) 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 April 2024.

How much traffic does Nj 4 over River Road (cr 41) carry?

About 93,416 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj 4 over River Road (cr 41)?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 85 ft wide.

Who owns Nj 4 over River Road (cr 41)?

It is owned by the State Highway Agency.