US Bridges

Dead Tree Run Road over Pike Run

FairPosted for load

Somerset County, New Jersey · 1 MI East of Rt 206 · Structure no. 18E0302

Built
1822
203 years old, rebuilt 2000
Condition
Fair
inspected September 2023
Type
Arch - Deck
Masonry
Length
57 ft
3 main spans
Daily traffic
989
2023 count
Owner
County
County Highway Agency

About this bridge

Dead Tree Run Road over Pike Run is a masonry arch - deck carrying Dead Tree Run Road over Pike Run in Somerset County, New Jersey. It was built in 1822 and reconstructed in 2000, so it is 203 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. Its operating status is: posted for load restriction.

It carries about 989 vehicles a day, roughly 1% of them trucks, projected to reach 1,189 by 2043. The structure is 57 ft (17.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDead Tree Run Road
CrossesPike Run
Location1 MI East of Rt 206
RouteCity Street 0
CountySomerset County
StateNew Jersey
Coordinates40.43448, -74.64517
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans3
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span18 ft (5.5 m)
Deck width20 ft (6 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic989 (2023)
Projected traffic1,189 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dead Tree Run Road over Pike Run built?

It was built in 1822, making it 203 years old in 2025. It was reconstructed in 2000.

What condition is Dead Tree Run 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 September 2023.

How much traffic does Dead Tree Run Road over Pike Run carry?

About 989 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Dead Tree Run Road over Pike Run?

The structure is 57 ft (17.4 m) long with a longest span of 18 ft (5.5 m) and a deck 20 ft wide.

Who owns Dead Tree Run Road over Pike Run?

It is owned by the County Highway Agency.