US Bridges

County Route 579 over Peters Brook

Good

Hunterdon County, New Jersey · 0.55 MI South of Nj 31 · Structure no. 1000037

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
9,217
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 579 over Peters Brook is a prestressed concrete slab carrying County Route 579 over Peters Brook in Hunterdon County, New Jersey. It was built in 2012, so it is 13 years old, younger 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 9,217 vehicles a day, roughly 4% of them trucks, projected to reach 11,247 by 2043. The structure is 53 ft (16.2 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Route 579
CrossesPeters Brook
Location0.55 MI South of Nj 31
RouteCounty Highway 579
CountyHunterdon County
StateNew Jersey
Coordinates40.38727, -74.84724
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length53 ft (16.2 m)
Longest span49 ft (14.9 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,217 (2023)
Projected traffic11,247 by 2043
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 579 over Peters Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is County Route 579 over Peters 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 April 2023.

How much traffic does County Route 579 over Peters Brook carry?

About 9,217 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 579 over Peters Brook?

The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 38 ft wide.

Who owns County Route 579 over Peters Brook?

It is owned by the County Highway Agency.