Road Stream Crossing Site AUS_OS018
Au Sable River Watershed, Tributary of Beaver Creek
Kneeland Rd
Greenwood Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.71077
, -84.28951
T27N
R01E
Sec 23,26
Owned by Private
Perch Height: 0.4 ft.
Total Erosion: 36.5378 tons/year
Severity: Severe
Year Inventoried: 2013
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft.
, Width 1.2 ft.
, Height 1.2 ft.
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: None
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 16.9421 tons/year
Right Approach
Length: 532 ft.
Slope: More Than 10%
Vegetation: Heavy
LS Factor: 4.457
Erosion: 19.5956 tons/year
Erosion Information
Total Erosion at Crossing: 36.5378 tons/year
Extent of Erosion: Minor
Notes: Due to roadway traffic.
Summary Information
A future visit to this site is recommended. To check plugged culverts
These non-native species were observerd at this site: Canada Thistle, Spotted Knapweed, Mullein