US Bridges

County Road 603 over Rockaway River

Fair

Morris County, New Jersey · 0.3MI NE of US46&NJ53 JCT · Structure no. 1400910

Built
2000
25 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
19,102
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 603 over Rockaway River is a prestressed concrete box beam or girders - multiple carrying County Road 603 over Rockaway River in Morris County, New Jersey. It was built in 2000, so it is 25 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 19,102 vehicles a day, roughly 4% of them trucks, projected to reach 23,307 by 2043. The structure is 121 ft (36.9 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 603
CrossesRockaway River
Location0.3MI NE of US46&NJ53 JCT
RouteCounty Highway 603
CountyMorris County
StateNew Jersey
Coordinates40.89436, -74.47459
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length121 ft (36.9 m)
Longest span116 ft (35.4 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,102 (2023)
Projected traffic23,307 by 2043
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 County Road 603 over Rockaway River built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Road 603 over Rockaway River 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 July 2023.

How much traffic does County Road 603 over Rockaway River carry?

About 19,102 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Road 603 over Rockaway River?

The structure is 121 ft (36.9 m) long with a longest span of 116 ft (35.4 m) and a deck 54 ft wide.

Who owns County Road 603 over Rockaway River?

It is owned by the County Highway Agency.