US Bridges

Perrineville Road over Tributary to Rocky Brook

PoorPosted for load

Monmouth County, New Jersey · 2.4 MI E of Int. W Rt 571 · Structure no. 130MS48

Built
1900
125 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
2,927
2023 count
Owner
County
County Highway Agency

About this bridge

Perrineville Road over Tributary to Rocky Brook is a steel stringer/multi-beam or girder carrying Perrineville Road over Tributary to Rocky Brook in Monmouth County, New Jersey. It was built in 1900, so it is 125 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,927 vehicles a day, roughly 5% of them trucks, projected to reach 3,512 by 2043. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPerrineville Road
CrossesTributary to Rocky Brook
Location2.4 MI E of Int. W Rt 571
RouteCounty Highway 1
Coordinates40.22726, -74.43936
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating21.1 US tons
Inventory rating12 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,927 (2023)
Projected traffic3,512 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Perrineville Road over Tributary to Rocky Brook built?

It was built in 1900, making it 125 years old in 2025.

What condition is Perrineville Road over Tributary to Rocky Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Perrineville Road over Tributary to Rocky Brook carry?

About 2,927 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Perrineville Road over Tributary to Rocky Brook?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns Perrineville Road over Tributary to Rocky Brook?

It is owned by the County Highway Agency.