Road Stream Crossing Site AUS_OS074

Au Sable River Watershed, Tributary of Au Sable River
Cherry Creek Rd
Elmer Twp, Oscoda County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.68216 , -84.23937
T27N R03E Sec 31
Owned by Private
State
Fish Passability 0
Perch Height: 2 ft.
Total Erosion: 0.8668 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)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft. , Width 2.3 ft. , Height 2.5 ft.
Percentage Plugged: Inlet: 26% to 50%
Percentage Crushed: Inlet: 1% to 25%
Perch Height: 2 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.1 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: Less than Bankfull
Scour Pool: Length 9 ft. , Width 7 ft. , Depth 1.4 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 9 ft.
Wetted Width: 8.4 ft.
Water Velocity: 0 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4334 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4334 tons/year
Erosion Information
Total Erosion at Crossing: 0.8668 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Queen Anne's Lace, Spotted Knapweed, Canada Thistle, Bull Thistle, St. John's Wort

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