US Bridges

County Route 619 over Harihokake Creek

Poor

Hunterdon County, New Jersey · 1.9 Miles North of CR 513 · Structure no. 1000028

Built
1938
87 years old
Condition
Poor
inspected March 2023
Type
Frame
Concrete
Length
33 ft
1 main span
Daily traffic
6,382
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 619 over Harihokake Creek is a concrete frame carrying County Route 619 over Harihokake Creek in Hunterdon County, New Jersey. It was built in 1938, so it is 87 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,382 vehicles a day, roughly 4% of them trucks, projected to reach 7,788 by 2043. The structure is 33 ft (10.1 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCounty Route 619
CrossesHarihokake Creek
Location1.9 Miles North of CR 513
RouteCounty Highway 619
CountyHunterdon County
StateNew Jersey
Coordinates40.54819, -75.06875
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,382 (2023)
Projected traffic7,788 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 619 over Harihokake Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is County Route 619 over Harihokake Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does County Route 619 over Harihokake Creek carry?

About 6,382 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 619 over Harihokake Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns County Route 619 over Harihokake Creek?

It is owned by the County Highway Agency.