US Bridges

West Farms Road over Manasquan River

Poor

Monmouth County, New Jersey · 2.9 MI E of Rt 9 · Structure no. 130HL31

Built
1937
88 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
3,173
2023 count
Owner
County
County Highway Agency

About this bridge

West Farms Road over Manasquan River is a steel stringer/multi-beam or girder carrying West Farms Road over Manasquan River in Monmouth County, New Jersey. It was built in 1937, so it is 88 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 3,173 vehicles a day, roughly 3% of them trucks, projected to reach 3,807 by 2043. The structure is 66 ft (20.1 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWest Farms Road
CrossesManasquan River
Location2.9 MI E of Rt 9
RouteCity Street 0
Coordinates40.19288, -74.1952
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadH 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,173 (2023)
Projected traffic3,807 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was West Farms Road over Manasquan River built?

It was built in 1937, making it 88 years old in 2025.

What condition is West Farms Road over Manasquan River 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 West Farms Road over Manasquan River carry?

About 3,173 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is West Farms Road over Manasquan River?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 37 ft wide.

Who owns West Farms Road over Manasquan River?

It is owned by the County Highway Agency.