US Bridges

Laurelwood DR over Big Brook

Fair

Monmouth County, New Jersey · 0.15 Mile W of CR 4 · Structure no. 1300A15

Built
1945
80 years old, rebuilt 1985
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
1,867
2023 count
Owner
County
County Highway Agency

About this bridge

Laurelwood DR over Big Brook is a prestressed concrete slab carrying Laurelwood DR over Big Brook in Monmouth County, New Jersey. It was built in 1945 and reconstructed in 1985, so it is 80 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 1,867 vehicles a day, roughly 3% of them trucks, projected to reach 2,278 by 2043. The structure is 75 ft (22.9 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLaurelwood DR
CrossesBig Brook
Location0.15 Mile W of CR 4
CountyMonmouth County
StateNew Jersey
Coordinates40.32027, -74.19527
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span23 ft (7 m)
Deck width45 ft (13.7 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,867 (2023)
Projected traffic2,278 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Laurelwood DR over Big Brook built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1985.

What condition is Laurelwood DR over Big 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 Laurelwood DR over Big Brook carry?

About 1,867 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Laurelwood DR over Big Brook?

The structure is 75 ft (22.9 m) long with a longest span of 23 ft (7 m) and a deck 45 ft wide.

Who owns Laurelwood DR over Big Brook?

It is owned by the County Highway Agency.