US Bridges

CR660 over Denns Branch

Good

Cumberland County, New Jersey · 0.4 Mile East of CR623 · Structure no. 0600051

Built
1948
77 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

CR660 over Denns Branch is a concrete culvert carrying CR660 over Denns Branch in Cumberland County, New Jersey. It was built in 1948, so it is 77 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 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 600 vehicles a day, roughly 3% of them trucks, projected to reach 732 by 2044. The structure is 25 ft (7.6 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR660
CrossesDenns Branch
Location0.4 Mile East of CR623
RouteCounty Highway 660
Coordinates39.44722, -75.38325
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width43 ft (13.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic732 by 2044
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR660 over Denns Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is CR660 over Denns Branch 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 July 2024.

How much traffic does CR660 over Denns Branch carry?

About 600 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is CR660 over Denns Branch?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m) and a deck 43 ft wide.

Who owns CR660 over Denns Branch?

It is owned by the County Highway Agency.