Road Stream Crossing Site AUS_CR087

Au Sable River Watershed, Tributary of West Branch Big Creek
Pickeral Lake Rd
Lovells Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.74143 , -84.40859
T27N R01W Sec 11
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 6.6604 tons/year
Severity: Severe
Year Inventoried: 2013
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Apron
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans
3 ft.
42 ft.
3 ft.
Structure Interior: corrugated
Dimensions of Structure: Length 42 ft. , Width 3 ft. , Height 3 ft.
Percentage Plugged: Inlet: 51% to 75% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.95 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
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: 0.3 ft.
Bankfull Width: 12 ft.
Wetted Width: 8.5 ft.
Water Velocity: 0.65 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 2.4 ft.
Slope: More than 1:2
Fill Depth: 3 ft.
Slope: More than 1:2
Left Approach
Length: 132 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.393
Erosion: 0.2571 tons/year
Right Approach
Length: 345 ft.
Slope: More Than 10%
Vegetation: Heavy
LS Factor: 3.743
Erosion: 6.4033 tons/year
Erosion Information
Total Erosion at Crossing: 6.6604 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
Fish Passage is an area of concern for this site.
A future visit to this site is recommended. Blocked Culvert
These non-native species were observerd at this site: Spotted Knapweed