US Bridges

CR 560 over Little Flat Brook

Fair

Sussex County, New Jersey · 0.06 MI East of CR 640 · Structure no. 1900P13

Built
1966
59 years old, rebuilt 2010
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
5,296
2023 count
Owner
County
County Highway Agency

About this bridge

CR 560 over Little Flat Brook is a steel stringer/multi-beam or girder carrying CR 560 over Little Flat Brook in Sussex County, New Jersey. It was built in 1966 and reconstructed in 2010, so it is 59 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 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 5,296 vehicles a day, roughly 3% of them trucks, projected to reach 6,355 by 2043. The structure is 50 ft (15.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 560
CrossesLittle Flat Brook
Location0.06 MI East of CR 640
RouteCounty Highway 560
CountySussex County
StateNew Jersey
Coordinates41.21595, -74.82649
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,296 (2023)
Projected traffic6,355 by 2043
Trucks3%
Lanes on structure2
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$800,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 560 over Little Flat Brook built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is CR 560 over Little Flat Brook 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 March 2023.

How much traffic does CR 560 over Little Flat Brook carry?

About 5,296 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 560 over Little Flat Brook?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 35 ft wide.

Who owns CR 560 over Little Flat Brook?

It is owned by the County Highway Agency.