US Bridges

Kuhls Road over Branch of Neshanic River

PoorPosted for load

Hunterdon County, New Jersey · 0.3 MI E. of US 202-NJ 31 · Structure no. 10XXQ48

Built
1936
89 years old
Condition
Poor
inspected May 2023
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
414
2023 count
Owner
County
County Highway Agency

About this bridge

Kuhls Road over Branch of Neshanic River is a steel truss - thru carrying Kuhls Road over Branch of Neshanic River in Hunterdon County, New Jersey. It was built in 1936, so it is 89 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 414 vehicles a day, roughly 3% of them trucks, projected to reach 496 by 2043. The structure is 64 ft (19.5 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKuhls Road
CrossesBranch of Neshanic River
Location0.3 MI E. of US 202-NJ 31
Coordinates40.47964, -74.85778
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating20 US tons
Inventory rating12 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span61 ft (18.6 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic414 (2023)
Projected traffic496 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kuhls Road over Branch of Neshanic River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Kuhls Road over Branch of Neshanic River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Kuhls Road over Branch of Neshanic River carry?

About 414 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Kuhls Road over Branch of Neshanic River?

The structure is 64 ft (19.5 m) long with a longest span of 61 ft (18.6 m) and a deck 19 ft wide.

Who owns Kuhls Road over Branch of Neshanic River?

It is owned by the County Highway Agency.