US Bridges

North Prospect ST over Hirschfeld Brook

Fair

Bergen County, New Jersey · .28 MI N of Riveredge Roa · Structure no. 020003A

Built
1996
29 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
12,241
2024 count
Owner
County
County Highway Agency

About this bridge

North Prospect ST over Hirschfeld Brook is a steel stringer/multi-beam or girder carrying North Prospect ST over Hirschfeld Brook in Bergen 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 12,241 vehicles a day, roughly 4% of them trucks, projected to reach 14,936 by 2044. The structure is 38 ft (11.6 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNorth Prospect ST
CrossesHirschfeld Brook
Location.28 MI N of Riveredge Roa
RouteCity Street 0
CountyBergen County
StateNew Jersey
Coordinates40.93523, -74.0036
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,241 (2024)
Projected traffic14,936 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$34,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North Prospect ST over Hirschfeld Brook built?

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

What condition is North Prospect ST over Hirschfeld Brook 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 North Prospect ST over Hirschfeld Brook carry?

About 12,241 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is North Prospect ST over Hirschfeld Brook?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 44 ft wide.

Who owns North Prospect ST over Hirschfeld Brook?

It is owned by the County Highway Agency.