US Bridges

Allenwood Road over Wreck Pond Brook

Poor

Monmouth County, New Jersey · 1 Ml E of Grdn ST Prkwy · Structure no. 1300W18

Built
1915
110 years old, rebuilt 1964
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
5,412
2023 count
Owner
County
County Highway Agency

About this bridge

Allenwood Road over Wreck Pond Brook is a steel stringer/multi-beam or girder carrying Allenwood Road over Wreck Pond Brook in Monmouth County, New Jersey. It was built in 1915 and reconstructed in 1964, so it is 110 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 4 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.

It carries about 5,412 vehicles a day, roughly 4% of them trucks, projected to reach 6,494 by 2043. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAllenwood Road
CrossesWreck Pond Brook
Location1 Ml E of Grdn ST Prkwy
RouteCity Street 0
Coordinates40.17758, -74.09047
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,412 (2023)
Projected traffic6,494 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Allenwood Road over Wreck Pond Brook built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1964.

What condition is Allenwood Road over Wreck Pond 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 April 2023.

How much traffic does Allenwood Road over Wreck Pond Brook carry?

About 5,412 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Allenwood Road over Wreck Pond Brook?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Allenwood Road over Wreck Pond Brook?

It is owned by the County Highway Agency.