US Bridges

Nj 23 SB over Kanouse Brook

Fair

Passaic County, New Jersey · 0.60 MI So of Cnty Rt 513 · Structure no. 1605171

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
20,300
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 23 SB over Kanouse Brook is a concrete culvert carrying Nj 23 SB over Kanouse Brook in Passaic County, New Jersey. It was built in 1964, so it is 61 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 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 20,300 vehicles a day, roughly 4% of them trucks, projected to reach 2,043 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 23 SB
CrossesKanouse Brook
Location0.60 MI So of Cnty Rt 513
RouteState Highway 23
Coordinates41.04107, -74.43398
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,300 (2023)
Projected traffic2,043 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj 23 SB over Kanouse Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nj 23 SB over Kanouse 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 2023.

How much traffic does Nj 23 SB over Kanouse Brook carry?

About 20,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 23 SB over Kanouse Brook?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Nj 23 SB over Kanouse Brook?

It is owned by the State Highway Agency.