US Bridges

County Route 519 over Harihokake Creek

Fair

Hunterdon County, New Jersey · 0.63 MI South of CR 631 · Structure no. 1000002

Built
2021
4 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
2,037
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 519 over Harihokake Creek is a concrete frame carrying County Route 519 over Harihokake Creek in Hunterdon County, New Jersey. It was built in 2021, so it is 4 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 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 2,037 vehicles a day, roughly 3% of them trucks, projected to reach 2,486 by 2043. The structure is 24 ft (7.3 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Route 519
CrossesHarihokake Creek
Location0.63 MI South of CR 631
RouteCounty Highway 519
CountyHunterdon County
StateNew Jersey
Coordinates40.58036, -75.05133
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating44.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span20 ft (6.1 m)
Deck width49 ft (15 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,037 (2023)
Projected traffic2,486 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 519 over Harihokake Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Route 519 over Harihokake Creek 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 County Route 519 over Harihokake Creek carry?

About 2,037 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 519 over Harihokake Creek?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.

Who owns County Route 519 over Harihokake Creek?

It is owned by the County Highway Agency.