US Bridges

Ketcham Road over Manasquan River

Good

Monmouth County, New Jersey · 0.33 Miles South of CR524 · Structure no. 1300HL6

Built
1967
58 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
879
2023 count
Owner
County
County Highway Agency

About this bridge

Ketcham Road over Manasquan River is a prestressed concrete box beam or girders - multiple carrying Ketcham Road over Manasquan River in Monmouth County, New Jersey. It was built in 1967, so it is 58 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 879 vehicles a day, roughly 3% of them trucks, projected to reach 1,072 by 2043. The structure is 75 ft (22.9 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKetcham Road
CrossesManasquan River
Location0.33 Miles South of CR524
CountyMonmouth County
StateNew Jersey
Coordinates40.20124, -74.21264
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length75 ft (22.9 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic879 (2023)
Projected traffic1,072 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ketcham Road over Manasquan River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ketcham Road over Manasquan River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Ketcham Road over Manasquan River carry?

About 879 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ketcham Road over Manasquan River?

The structure is 75 ft (22.9 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns Ketcham Road over Manasquan River?

It is owned by the County Highway Agency.