US Bridges

Chimney Rock RD over Cuckels Brook

Fair

Somerset County, New Jersey · 0.04 MI N of East Main ST · Structure no. 18G0704

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
5,395
2023 count
Owner
County
County Highway Agency

About this bridge

Chimney Rock RD over Cuckels Brook is a prestressed concrete box beam or girders - multiple carrying Chimney Rock RD over Cuckels Brook in Somerset County, New Jersey. It was built in 1971, so it is 54 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 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 5,395 vehicles a day, roughly 3% of them trucks, projected to reach 6,583 by 2043. The structure is 40 ft (12.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesChimney Rock RD
CrossesCuckels Brook
Location0.04 MI N of East Main ST
RouteCounty Highway 675
CountySomerset County
StateNew Jersey
Coordinates40.56215, -74.56489
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width44 ft (13.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,395 (2023)
Projected traffic6,583 by 2043
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$20,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chimney Rock RD over Cuckels Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is Chimney Rock RD over Cuckels 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 September 2023.

How much traffic does Chimney Rock RD over Cuckels Brook carry?

About 5,395 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Chimney Rock RD over Cuckels Brook?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.

Who owns Chimney Rock RD over Cuckels Brook?

It is owned by the County Highway Agency.