US Bridges

Oldwick RD (cr 523 over N. Br. of Rockaway Creek

Good

Hunterdon County, New Jersey · 0.6 Miles S.Of I-78 · Structure no. 1000019

Built
2023
2 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
102 ft
2 main spans
Daily traffic
13,860
2023 count
Owner
County
County Highway Agency

About this bridge

Oldwick RD (cr 523 over N. Br. of Rockaway Creek is a steel continuous stringer/multi-beam or girder carrying Oldwick RD (cr 523 over N. Br. of Rockaway Creek in Hunterdon County, New Jersey. It was built in 2023, so it is 2 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 13,860 vehicles a day, roughly 4% of them trucks, projected to reach 16,912 by 2043. The structure is 102 ft (31.1 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOldwick RD (cr 523
CrossesN. Br. of Rockaway Creek
Location0.6 Miles S.Of I-78
RouteCounty Highway 523
CountyHunterdon County
StateNew Jersey
Coordinates40.643, -74.76025
Functional classUrban 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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating89 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length102 ft (31.1 m)
Longest span47 ft (14.3 m)
Deck width74 ft (22.5 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,860 (2023)
Projected traffic16,912 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oldwick RD (cr 523 over N. Br. of Rockaway Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Oldwick RD (cr 523 over N. Br. of Rockaway Creek 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 Oldwick RD (cr 523 over N. Br. of Rockaway Creek carry?

About 13,860 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Oldwick RD (cr 523 over N. Br. of Rockaway Creek?

The structure is 102 ft (31.1 m) long with a longest span of 47 ft (14.3 m) and a deck 74 ft wide.

Who owns Oldwick RD (cr 523 over N. Br. of Rockaway Creek?

It is owned by the County Highway Agency.