US Bridges

Ridge Road over Chambers Brook

Fair

Hunterdon County, New Jersey · South of Chambers Drive · Structure no. 1000135

Built
1925
100 years old, rebuilt 2016
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
932
2023 count
Owner
County
County Highway Agency

About this bridge

Ridge Road over Chambers Brook is a steel stringer/multi-beam or girder carrying Ridge Road over Chambers Brook in Hunterdon County, New Jersey. It was built in 1925 and reconstructed in 2016, so it is 100 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 932 vehicles a day, roughly 1% of them trucks, projected to reach 1,137 by 2043. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRidge Road
CrossesChambers Brook
LocationSouth of Chambers Drive
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.60133, -74.73636
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic932 (2023)
Projected traffic1,137 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$199,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridge Road over Chambers Brook built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2016.

What condition is Ridge Road over Chambers 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 Ridge Road over Chambers Brook carry?

About 932 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Ridge Road over Chambers Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Ridge Road over Chambers Brook?

It is owned by the County Highway Agency.