US Bridges

CR 18(BELMAR Blvd) over Mingamahone Brook

Fair

Monmouth County, New Jersey · 0.2 Miles East of CR 524 · Structure no. 130HL41

Built
1952
73 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
3,313
2023 count
Owner
County
County Highway Agency

About this bridge

CR 18(BELMAR Blvd) over Mingamahone Brook is a concrete continuous slab carrying CR 18(BELMAR Blvd) over Mingamahone Brook in Monmouth County, New Jersey. It was built in 1952 and reconstructed in 1988, so it is 73 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 fair condition with a lowest component rating of 6 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 3,313 vehicles a day, roughly 3% of them trucks, projected to reach 3,976 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 18(BELMAR Blvd)
CrossesMingamahone Brook
Location0.2 Miles East of CR 524
RouteCounty Highway 18
CountyMonmouth County
StateNew Jersey
Coordinates40.19393, -74.16125
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,313 (2023)
Projected traffic3,976 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$879,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 18(BELMAR Blvd) over Mingamahone Brook built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1988.

What condition is CR 18(BELMAR Blvd) over Mingamahone 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 April 2023.

How much traffic does CR 18(BELMAR Blvd) over Mingamahone Brook carry?

About 3,313 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 18(BELMAR Blvd) over Mingamahone Brook?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns CR 18(BELMAR Blvd) over Mingamahone Brook?

It is owned by the County Highway Agency.