US Bridges

Muhlenbrink Road over Yellow Brook

Fair

Monmouth County, New Jersey · 1.1 Miles East of Nj 34 · Structure no. 1300A40

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
1,525
2023 count
Owner
County
County Highway Agency

About this bridge

Muhlenbrink Road over Yellow Brook is a concrete continuous slab carrying Muhlenbrink Road over Yellow Brook in Monmouth County, New Jersey. It was built in 1961, so it is 64 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 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 1,525 vehicles a day, roughly 3% of them trucks, projected to reach 1,860 by 2043. The structure is 57 ft (17.4 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMuhlenbrink Road
CrossesYellow Brook
Location1.1 Miles East of Nj 34
CountyMonmouth County
StateNew Jersey
Coordinates40.29917, -74.15639
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span18 ft (5.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,525 (2023)
Projected traffic1,860 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Muhlenbrink Road over Yellow Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is Muhlenbrink 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 Muhlenbrink Road over Yellow Brook carry?

About 1,525 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Muhlenbrink Road over Yellow Brook?

The structure is 57 ft (17.4 m) long with a longest span of 18 ft (5.5 m) and a deck 22 ft wide.

Who owns Muhlenbrink Road over Yellow Brook?

It is owned by the County Highway Agency.