US Bridges

River Road over Hirschfeld Brook

Fair

Bergen County, New Jersey · 0.32 MI North of CR 126 · Structure no. 020038G

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
4,325
2024 count
Owner
County
County Highway Agency

About this bridge

River Road over Hirschfeld Brook is a prestressed concrete slab carrying River Road over Hirschfeld Brook in Bergen County, New Jersey. It was built in 1997, so it is 28 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 4,325 vehicles a day, roughly 3% of them trucks, projected to reach 5,278 by 2044. The structure is 36 ft (11 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiver Road
CrossesHirschfeld Brook
Location0.32 MI North of CR 126
RouteCity Street 0
Coordinates40.94733, -74.02017
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width48 ft (14.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,325 (2024)
Projected traffic5,278 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Hirschfeld Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is River Road 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 March 2024.

How much traffic does River Road over Hirschfeld Brook carry?

About 4,325 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is River Road over Hirschfeld Brook?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 48 ft wide.

Who owns River Road over Hirschfeld Brook?

It is owned by the County Highway Agency.