US Bridges

Heyers Mill Road over Yellow Brook

Fair

Monmouth County, New Jersey · 0.39 Mile North of CR 537 · Structure no. 1300A20

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
1,873
2023 count
Owner
County
County Highway Agency

About this bridge

Heyers Mill Road over Yellow Brook is a concrete continuous slab carrying Heyers Mill Road over Yellow Brook in Monmouth County, New Jersey. It was built in 1979, so it is 46 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 fair condition with a lowest component rating of 5 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 1,873 vehicles a day, roughly 3% of them trucks, projected to reach 2,285 by 2043. The structure is 83 ft (25.3 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHeyers Mill Road
CrossesYellow Brook
Location0.39 Mile North of CR 537
CountyMonmouth County
StateNew Jersey
Coordinates40.29166, -74.17944
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span29 ft (8.8 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,873 (2023)
Projected traffic2,285 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Heyers Mill Road over Yellow Brook built?

It was built in 1979, making it 46 years old in 2025.

What condition is Heyers Mill Road over Yellow 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 Heyers Mill Road over Yellow Brook carry?

About 1,873 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Heyers Mill Road over Yellow Brook?

The structure is 83 ft (25.3 m) long with a longest span of 29 ft (8.8 m) and a deck 38 ft wide.

Who owns Heyers Mill Road over Yellow Brook?

It is owned by the County Highway Agency.