US Bridges

Camp Meeting Ave. over Rock Brook

Fair

Somerset County, New Jersey · 0.05 MI East of Hollow RD · Structure no. 18C0209

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
1,407
2023 count
Owner
County
County Highway Agency

About this bridge

Camp Meeting Ave. over Rock Brook is a prestressed concrete box beam or girders - single or spread carrying Camp Meeting Ave. over Rock Brook in Somerset County, New Jersey. It was built in 1997, so it is 28 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 1,407 vehicles a day, roughly 3% of them trucks, projected to reach 1,689 by 2043. The structure is 57 ft (17.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCamp Meeting Ave.
CrossesRock Brook
Location0.05 MI East of Hollow RD
CountySomerset County
StateNew Jersey
Coordinates40.41934, -74.72173
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length57 ft (17.4 m)
Longest span52 ft (15.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,407 (2023)
Projected traffic1,689 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Camp Meeting Ave. over Rock Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is Camp Meeting Ave. over Rock 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 August 2023.

How much traffic does Camp Meeting Ave. over Rock Brook carry?

About 1,407 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Camp Meeting Ave. over Rock Brook?

The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.8 m) and a deck 33 ft wide.

Who owns Camp Meeting Ave. over Rock Brook?

It is owned by the County Highway Agency.