US Bridges

CR646 (village Rd) over Great Brook

Good

Morris County, New Jersey · 1.6MI SW CR646&CR647 JCT · Structure no. 1400507

Built
1994
31 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
4,566
2023 count
Owner
County
County Highway Agency

About this bridge

CR646 (village Rd) over Great Brook is a prestressed concrete stringer/multi-beam or girder carrying CR646 (village Rd) over Great Brook in Morris County, New Jersey. It was built in 1994, so it is 31 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 4,566 vehicles a day, roughly 3% of them trucks, projected to reach 5,570 by 2043. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCR646 (village Rd)
CrossesGreat Brook
Location1.6MI SW CR646&CR647 JCT
RouteCounty Highway 646
CountyMorris County
StateNew Jersey
Coordinates40.73957, -74.4587
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating97 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,566 (2023)
Projected traffic5,570 by 2043
Trucks3%
Lanes on structure2
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$209,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR646 (village Rd) over Great Brook built?

It was built in 1994, making it 31 years old in 2025.

What condition is CR646 (village Rd) over Great Brook 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 June 2023.

How much traffic does CR646 (village Rd) over Great Brook carry?

About 4,566 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR646 (village Rd) over Great Brook?

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

Who owns CR646 (village Rd) over Great Brook?

It is owned by the County Highway Agency.