US Bridges

Broad Avenue over Flat Rock Brook

Fair

Bergen County, New Jersey · 100 Ft N of I-95 Underpss · Structure no. 020015B

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
22,162
2024 count
Owner
County
County Highway Agency

About this bridge

Broad Avenue over Flat Rock Brook is a prestressed concrete slab carrying Broad Avenue over Flat Rock Brook in Bergen County, New Jersey. It was built in 1976, so it is 49 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 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 22,162 vehicles a day, roughly 4% of them trucks, projected to reach 27,042 by 2044. The structure is 32 ft (9.8 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBroad Avenue
CrossesFlat Rock Brook
Location100 Ft N of I-95 Underpss
RouteCity Street 0
CountyBergen County
StateNew Jersey
Coordinates40.87288, -73.97977
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width65 ft (19.8 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,162 (2024)
Projected traffic27,042 by 2044
Trucks4%
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 Broad Avenue over Flat Rock Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is Broad Avenue over Flat Rock 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 Broad Avenue over Flat Rock Brook carry?

About 22,162 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Broad Avenue over Flat Rock Brook?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 65 ft wide.

Who owns Broad Avenue over Flat Rock Brook?

It is owned by the County Highway Agency.