US Bridges

Stone Bridge Road over Paulins Kill

Fair

Warren County, New Jersey · 0.5 MI SE CR 521 JCT · Structure no. 2100934

Built
1900
125 years old, rebuilt 1989
Condition
Fair
inspected April 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
69 ft
4 main spans
Daily traffic
194
2023 count
Owner
County
County Highway Agency

About this bridge

Stone Bridge Road over Paulins Kill is a aluminum, wrought iron, or cast iron arch - deck carrying Stone Bridge Road over Paulins Kill in Warren County, New Jersey. It was built in 1900 and reconstructed in 1989, so it is 125 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 194 vehicles a day, roughly 3% of them trucks, projected to reach 237 by 2043. The structure is 69 ft (21 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStone Bridge Road
CrossesPaulins Kill
Location0.5 MI SE CR 521 JCT
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates41.01962, -74.8867
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating81 US tons
Inventory rating53 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans4
Design loadUnknown
Structure length69 ft (21 m)
Longest span15 ft (4.6 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194 (2023)
Projected traffic237 by 2043
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$527,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Bridge Road over Paulins Kill built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1989.

What condition is Stone Bridge Road over Paulins Kill 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 April 2023.

How much traffic does Stone Bridge Road over Paulins Kill carry?

About 194 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stone Bridge Road over Paulins Kill?

The structure is 69 ft (21 m) long with a longest span of 15 ft (4.6 m) and a deck 23 ft wide.

Who owns Stone Bridge Road over Paulins Kill?

It is owned by the County Highway Agency.