US Bridges

CR 604 over Wickecheoke Creek

Fair

Hunterdon County, New Jersey · 1.2 MI West of CR 523 · Structure no. 1000110

Built
1872
153 years old, rebuilt 2003
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
85 ft
1 main span
Daily traffic
515
2023 count
Owner
County
County Highway Agency

About this bridge

CR 604 over Wickecheoke Creek is a steel girder and floorbeam system carrying CR 604 over Wickecheoke Creek in Hunterdon County, New Jersey. It was built in 1872 and reconstructed in 2003, so it is 153 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 515 vehicles a day, roughly 5% of them trucks, projected to reach 618 by 2043. The structure is 85 ft (25.9 m) long and 13 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 604
CrossesWickecheoke Creek
Location1.2 MI West of CR 523
RouteCounty Highway 604
Coordinates40.444, -74.96635
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadH 20
Structure length85 ft (25.9 m)
Longest span77 ft (23.5 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck11 ft (3.5 m)

Traffic and service

Average daily traffic515 (2023)
Projected traffic618 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 604 over Wickecheoke Creek built?

It was built in 1872, making it 153 years old in 2025. It was reconstructed in 2003.

What condition is CR 604 over Wickecheoke 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 May 2023.

How much traffic does CR 604 over Wickecheoke Creek carry?

About 515 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 604 over Wickecheoke Creek?

The structure is 85 ft (25.9 m) long with a longest span of 77 ft (23.5 m) and a deck 13 ft wide.

Who owns CR 604 over Wickecheoke Creek?

It is owned by the County Highway Agency.