US Bridges

Nj 23 over Clove Brook

Fair

Sussex County, New Jersey · 1.1 Mi. No. of 647 JCT · Structure no. 1905150

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
1 main span
Daily traffic
7,070
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 23 over Clove Brook is a steel stringer/multi-beam or girder carrying Nj 23 over Clove Brook in Sussex County, New Jersey. It was built in 1957, so it is 68 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 7,070 vehicles a day, roughly 4% of them trucks, projected to reach 8,484 by 2043. The structure is 107 ft (32.6 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNj 23
CrossesClove Brook
Location1.1 Mi. No. of 647 JCT
RouteState Highway 23
CountySussex County
StateNew Jersey
Coordinates41.23528, -74.61847
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.1 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length107 ft (32.6 m)
Longest span107 ft (32.6 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,070 (2023)
Projected traffic8,484 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nj 23 over Clove Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is Nj 23 over Clove 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 May 2023.

How much traffic does Nj 23 over Clove Brook carry?

About 7,070 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nj 23 over Clove Brook?

The structure is 107 ft (32.6 m) long with a longest span of 107 ft (32.6 m) and a deck 58 ft wide.

Who owns Nj 23 over Clove Brook?

It is owned by the State Highway Agency.