US Bridges

Black Horse Lane over Oakeys Brook

Fair

Middlesex County, New Jersey · 0.25 MI West of US 130 · Structure no. 124B500

Built
1940
85 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
281
2023 count
Owner
County
County Highway Agency

About this bridge

Black Horse Lane over Oakeys Brook is a steel culvert carrying Black Horse Lane over Oakeys Brook in Middlesex County, New Jersey. It was built in 1940, so it is 85 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 281 vehicles a day, roughly 1% of them trucks, projected to reach 342 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesBlack Horse Lane
CrossesOakeys Brook
Location0.25 MI West of US 130
RouteCity Street 0
CountyMiddlesex County
StateNew Jersey
Coordinates40.41639, -74.50506
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2023)
Projected traffic342 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Black Horse Lane over Oakeys Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is Black Horse Lane over Oakeys 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 March 2023.

How much traffic does Black Horse Lane over Oakeys Brook carry?

About 281 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Black Horse Lane over Oakeys Brook?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Black Horse Lane over Oakeys Brook?

It is owned by the County Highway Agency.