US Bridges

Station Road over Chambers Brook

Good

Somerset County, New Jersey · At River Road Intersect · Structure no. 18D0904

Built
1850
175 years old, rebuilt 2020
Condition
Good
inspected October 2023
Type
Arch - Deck
Masonry
Length
47 ft
1 main span
Daily traffic
5,758
2023 count
Owner
County
County Highway Agency

About this bridge

Station Road over Chambers Brook is a masonry arch - deck carrying Station Road over Chambers Brook in Somerset County, New Jersey. It was built in 1850 and reconstructed in 2020, so it is 175 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.

It carries about 5,758 vehicles a day, roughly 4% of them trucks, projected to reach 6,910 by 2043. The structure is 47 ft (14.3 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesStation Road
CrossesChambers Brook
LocationAt River Road Intersect
RouteCounty Highway 679
CountySomerset County
StateNew Jersey
Coordinates40.59227, -74.68317
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating99 US tons
Inventory rating89 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,758 (2023)
Projected traffic6,910 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$96,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Station Road over Chambers Brook built?

It was built in 1850, making it 175 years old in 2025. It was reconstructed in 2020.

What condition is Station Road over Chambers Brook 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 October 2023.

How much traffic does Station Road over Chambers Brook carry?

About 5,758 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Station Road over Chambers Brook?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 34 ft wide.

Who owns Station Road over Chambers Brook?

It is owned by the County Highway Agency.