Structure 206166 · Bergen County, NJ

Nj 4 over Hackensack Rivr & Road

Carries Nj 4 over Hackensack Rivr & Road, 2.5 Mi SE Of Nj4&nj17 Jct.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT546 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

546 ft end to end, longest span 93 ft: about 1.5 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a girder bridge.

Built1931rebuilt 1962
Length545.9 ft166.4 m
Daily traffic92,076counted 2023
Last inspectedMarch 2023every 24 months

Location

StateNew Jersey
CountyBergen
Location2.5 Mi SE Of Nj4&nj17 Jct
CarriesNj 4
CrossesHackensack Rivr & Road
Coordinates40.90305, -74.03083

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length545.9 ft (166.4 m)
Max Span92.8 ft (28.3 m)
Deck Width74.1 ft (22.6 m)
Deck Area3760.6 sq m
Main Spans8
Year Built1931 (reconstructed 1962)

Traffic

Avg Daily Traffic92,076 (2023)
Truck Traffic4%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number0206166

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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