US Bridges

Stanton Station RD over S Branch Raritan River

GoodPosted for load

Hunterdon County, New Jersey · 0.4 MI West of Nj 31 · Structure no. 10XX179

Built
1880
145 years old, rebuilt 2014
Condition
Good
inspected July 2023
Type
Truss - Thru
Steel
Length
107 ft
1 main span
Daily traffic
2,496
2023 count
Owner
County
County Highway Agency

About this bridge

Stanton Station RD over S Branch Raritan River is a steel truss - thru carrying Stanton Station RD over S Branch Raritan River in Hunterdon County, New Jersey. It was built in 1880 and reconstructed in 2014, so it is 145 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 2,496 vehicles a day, roughly 3% of them trucks, projected to reach 2,996 by 2043. The structure is 107 ft (32.6 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesStanton Station RD
CrossesS Branch Raritan River
Location0.4 MI West of Nj 31
RouteCity Street 0
Coordinates40.5724, -74.86784
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length107 ft (32.6 m)
Longest span102 ft (31.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic2,496 (2023)
Projected traffic2,996 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$192,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stanton Station RD over S Branch Raritan River built?

It was built in 1880, making it 145 years old in 2025. It was reconstructed in 2014.

What condition is Stanton Station RD over S Branch Raritan River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Stanton Station RD over S Branch Raritan River carry?

About 2,496 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stanton Station RD over S Branch Raritan River?

The structure is 107 ft (32.6 m) long with a longest span of 102 ft (31.1 m) and a deck 16 ft wide.

Who owns Stanton Station RD over S Branch Raritan River?

It is owned by the County Highway Agency.