US Bridges

Nj 179 over Back Brook (ringoes Crk)

Fair

Hunterdon County, New Jersey · 0.35 Mile So Co. Rt. 579 · Structure no. 1022150

Built
1929
96 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
4,103
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 179 over Back Brook (ringoes Crk) is a concrete culvert carrying Nj 179 over Back Brook (ringoes Crk) in Hunterdon County, New Jersey. It was built in 1929, so it is 96 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 5 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 4,103 vehicles a day, roughly 4% of them trucks, projected to reach 4,924 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNj 179
CrossesBack Brook (ringoes Crk)
Location0.35 Mile So Co. Rt. 579
RouteState Highway 179
Coordinates40.42426, -74.8692
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,103 (2024)
Projected traffic4,924 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj 179 over Back Brook (ringoes Crk) built?

It was built in 1929, making it 96 years old in 2025.

What condition is Nj 179 over Back Brook (ringoes Crk) 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 January 2024.

How much traffic does Nj 179 over Back Brook (ringoes Crk) carry?

About 4,103 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nj 179 over Back Brook (ringoes Crk)?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m).

Who owns Nj 179 over Back Brook (ringoes Crk)?

It is owned by the State Highway Agency.