US Bridges

Perrinev. RD (CR1) over Rocky Brook

Fair

Monmouth County, New Jersey · 0.21 MI East of CO RD 571 · Structure no. 130MS26

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
3,266
2023 count
Owner
County
County Highway Agency

About this bridge

Perrinev. RD (CR1) over Rocky Brook is a prestressed concrete slab carrying Perrinev. RD (CR1) over Rocky Brook in Monmouth County, New Jersey. It was built in 1988, so it is 37 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 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 3,266 vehicles a day, roughly 5% of them trucks, projected to reach 3,919 by 2043. The structure is 37 ft (11.3 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPerrinev. RD (CR1)
CrossesRocky Brook
Location0.21 MI East of CO RD 571
RouteCounty Highway 1
CountyMonmouth County
StateNew Jersey
Coordinates40.23651, -74.4728
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,266 (2023)
Projected traffic3,919 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Perrinev. RD (CR1) over Rocky Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is Perrinev. RD (CR1) over Rocky 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 Perrinev. RD (CR1) over Rocky Brook carry?

About 3,266 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Perrinev. RD (CR1) over Rocky Brook?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns Perrinev. RD (CR1) over Rocky Brook?

It is owned by the County Highway Agency.