Road Stream Crossing Site AUS_CR114

Au Sable River Watershed, Tributary of Big Creek
Unmarked Rd on state land
Lovells Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.8138 , -84.42386
T28N R01W Sec 10
Owned by State
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.0546 tons/year
Severity: Minor
Year Inventoried: 2013
Upstream Conditions
Upstream Conditions
Downstream 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: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 20 ft. , Width 1 ft. , Height 1 ft.
Percentage Crushed: Inlet: 0% Outlet: 1% to 25% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 5 ft. , Width 3.5 ft. , Depth 0.4 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 14 ft.
Wetted Width: 8 ft.
Water Velocity: 0.1 ft./sec. (Measured with Meter)
Dominant Substrate: Silt
Road Information
Native Surface State Road
Road Condition: Poor
Road Width at Culvert: 8 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0.8 ft.
Slope: More than 1:2
Fill Depth: 1 ft.
Slope: More than 1:2
Left Approach
Length: 70 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.354
Erosion: 0.0546 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: 0.0546 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: St. John's Wort