US Bridges

Landing Lane (609) over Mile Run Brook

Fair

Middlesex County, New Jersey · 0.7 Mi. S. of N.J. 18 · Structure no. 123B168

Built
1966
59 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
28,670
2023 count
Owner
County
County Highway Agency

About this bridge

Landing Lane (609) over Mile Run Brook is a concrete continuous culvert carrying Landing Lane (609) over Mile Run Brook in Middlesex County, New Jersey. It was built in 1966, so it is 59 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 28,670 vehicles a day, roughly 4% of them trucks, projected to reach 34,982 by 2043. The structure is 34 ft (10.4 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLanding Lane (609)
CrossesMile Run Brook
Location0.7 Mi. S. of N.J. 18
RouteCounty Highway 609
CountyMiddlesex County
StateNew Jersey
Coordinates40.50553, -74.46742
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width68 ft (20.8 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,670 (2023)
Projected traffic34,982 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Landing Lane (609) over Mile Run Brook built?

It was built in 1966, making it 59 years old in 2025.

What condition is Landing Lane (609) over Mile Run 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 Landing Lane (609) over Mile Run Brook carry?

About 28,670 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Landing Lane (609) over Mile Run Brook?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m) and a deck 68 ft wide.

Who owns Landing Lane (609) over Mile Run Brook?

It is owned by the County Highway Agency.