Road Stream Crossing Site AUS_OS046

Au Sable River Watershed, Tributary of Shaw Lake
M-33
Big Creek Twp, Oscoda County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.52787 , -84.1285
T25N R02E Sec 25
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.2761 tons/year
Severity: Moderate
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: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 81.5 ft. , Width 18 ft. , Height 18 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
Stream Information
Stream Flow: None
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 43.5 ft.
Embankments
Upstream
Fill Depth: 3 ft.
Downstream
Fill Depth: 2.5 ft.
Approaches
Left Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.2761 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.2761 tons/year
Notes: None noted
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. Invasive phragmites present, just establishing
These non-native species were observerd at this site: Phragmites