US Bridges

Lafayette Avenue over Hirschfeld Brook

Fair

Bergen County, New Jersey · .15 MI S. of New Milford · Structure no. 020010B

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,143
2024 count
Owner
County
County Highway Agency

About this bridge

Lafayette Avenue over Hirschfeld Brook is a prestressed concrete slab carrying Lafayette Avenue over Hirschfeld Brook in Bergen County, New Jersey. It was built in 1980, so it is 45 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 1,143 vehicles a day, roughly 1% of them trucks, projected to reach 1,394 by 2044. The structure is 42 ft (12.8 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLafayette Avenue
CrossesHirschfeld Brook
Location.15 MI S. of New Milford
RouteCity Street 0
CountyBergen County
StateNew Jersey
Coordinates40.94165, -74.00845
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span36 ft (11 m)
Deck width50 ft (15.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,143 (2024)
Projected traffic1,394 by 2044
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lafayette Avenue over Hirschfeld Brook built?

It was built in 1980, making it 45 years old in 2025.

What condition is Lafayette Avenue 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 Lafayette Avenue over Hirschfeld Brook carry?

About 1,143 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lafayette Avenue over Hirschfeld Brook?

The structure is 42 ft (12.8 m) long with a longest span of 36 ft (11 m) and a deck 50 ft wide.

Who owns Lafayette Avenue over Hirschfeld Brook?

It is owned by the County Highway Agency.