US Bridges

Jenny Jump Road over Trout Brook

Fair

Warren County, New Jersey · 0.2 MI SE of CR 519 JCT · Structure no. 2101141

Built
1875
150 years old, rebuilt 2005
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
32 ft
3 main spans
Daily traffic
72
2023 count
Owner
County
County Highway Agency

About this bridge

Jenny Jump Road over Trout Brook is a concrete arch - deck carrying Jenny Jump Road over Trout Brook in Warren County, New Jersey. It was built in 1875 and reconstructed in 2005, so it is 150 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 72 vehicles a day, roughly 3% of them trucks, projected to reach 88 by 2043. The structure is 32 ft (9.8 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesJenny Jump Road
CrossesTrout Brook
Location0.2 MI SE of CR 519 JCT
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.91412, -74.95198
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span9 ft (2.7 m)
Deck width17 ft (5.1 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2023)
Projected traffic88 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jenny Jump Road over Trout Brook built?

It was built in 1875, making it 150 years old in 2025. It was reconstructed in 2005.

What condition is Jenny Jump Road over Trout 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 Jenny Jump Road over Trout Brook carry?

About 72 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Jenny Jump Road over Trout Brook?

The structure is 32 ft (9.8 m) long with a longest span of 9 ft (2.7 m) and a deck 17 ft wide.

Who owns Jenny Jump Road over Trout Brook?

It is owned by the County Highway Agency.