Road Stream Crossing Site AUS_CR085

Au Sable River Watershed, Tributary of West Branch Big Creek
County Rd 612
Lovells Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.84139 , -84.441
T28N R01W Sec 9
Owned by Private
State
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.716 tons/year
Severity: Moderate
Year Inventoried: 2013
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 60 ft. , Width 1.9 ft. , Height 1.4 ft.
Percentage Plugged: Inlet: 0% Outlet: 51% to 75% In Pipe: 0%
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: 0.7 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
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. (Measured with Float Test)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 38 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.8 ft.
Slope: 1:2
Downstream
Fill Depth: 5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.716 tons/year
Erosion Information
Total Erosion at Crossing: 0.716 tons/year
Extent of Erosion: Minor
Notes: Minor Ditch and road shoulder erosion
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Bull Thistle, Spotted Knapweed

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