US Bridges

Harlingen Road over Pike Run

Fair

Somerset County, New Jersey · .35 MI W. of Mill Pond RD · Structure no. 18E0304

Built
1921
104 years old, rebuilt 1985
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
44 ft
1 main span
Daily traffic
700
2023 count
Owner
County
County Highway Agency

About this bridge

Harlingen Road over Pike Run is a wood or timber stringer/multi-beam or girder carrying Harlingen Road over Pike Run in Somerset County, New Jersey. It was built in 1921 and reconstructed in 1985, so it is 104 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 700 vehicles a day, roughly 1% of them trucks, projected to reach 840 by 2043. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHarlingen Road
CrossesPike Run
Location.35 MI W. of Mill Pond RD
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.44471, -74.64592
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic840 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Harlingen Road over Pike Run built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1985.

What condition is Harlingen Road over Pike Run 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 October 2023.

How much traffic does Harlingen Road over Pike Run carry?

About 700 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Harlingen Road over Pike Run?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 23 ft wide.

Who owns Harlingen Road over Pike Run?

It is owned by the County Highway Agency.