US Bridges

Nj 23 SB over Pequannock River

Fair

Passaic County, New Jersey · 0.47 MI N of CO Rt 513JCT · Structure no. 1605162

Built
1924
101 years old, rebuilt 1995
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
2 main spans
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 23 SB over Pequannock River is a steel continuous stringer/multi-beam or girder carrying Nj 23 SB over Pequannock River in Passaic County, New Jersey. It was built in 1924 and reconstructed in 1995, so it is 101 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 19,500 vehicles a day, roughly 4% of them trucks, projected to reach 23,400 by 2043. The structure is 90 ft (27.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj 23 SB
CrossesPequannock River
Location0.47 MI N of CO Rt 513JCT
RouteState Highway 23
CountyPassaic County
StateNew Jersey
Coordinates41.05313, -74.45111
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span42 ft (12.8 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic23,400 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$345,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 23 SB over Pequannock River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1995.

What condition is Nj 23 SB over Pequannock River 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 Pequannock River carry?

About 19,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 23 SB over Pequannock River?

The structure is 90 ft (27.4 m) long with a longest span of 42 ft (12.8 m) and a deck 54 ft wide.

Who owns Nj 23 SB over Pequannock River?

It is owned by the State Highway Agency.