US Bridges

CR 507 over Allendale Brook

Fair

Bergen County, New Jersey · .6 Mi. S. of CR 81 · Structure no. 020001E

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
11,405
2024 count
Owner
County
County Highway Agency

About this bridge

CR 507 over Allendale Brook is a concrete slab carrying CR 507 over Allendale Brook in Bergen County, New Jersey. It was built in 1950, so it is 75 years old, older 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 11,405 vehicles a day, roughly 4% of them trucks, projected to reach 13,916 by 2044. The structure is 28 ft (8.5 m) long and 260 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 507
CrossesAllendale Brook
Location.6 Mi. S. of CR 81
RouteCounty Highway 507
CountyBergen County
StateNew Jersey
Coordinates41.0331, -74.1266
Functional classUrban Other Principal 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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width260 ft (79.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,405 (2024)
Projected traffic13,916 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 507 over Allendale Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 507 over Allendale 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 CR 507 over Allendale Brook carry?

About 11,405 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR 507 over Allendale Brook?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 260 ft wide.

Who owns CR 507 over Allendale Brook?

It is owned by the County Highway Agency.