Road Stream Crossing Site AUS_CR061

Au Sable River Watershed, Beaver Creek
Grayling Rd
Beaver Creek Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.5247 , -84.69124
T25N R03W Sec 33
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.262 tons/year
Severity: Minor
Year Inventoried: 2013
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 43.7 ft. , Width 8 ft. , Height 3.2 ft.
Percentage Plugged: Inlet: 51% to 75% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
Inlet plugged, caused by grate
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: 0.5 ft.
Bankfull Width: 15 ft.
Wetted Width: 7 ft.
Water Velocity: 1.1 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Poor
Road Width at Culvert: 34.7 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 463.5 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.493
Erosion: 0.262 tons/year
Erosion Information
Total Erosion at Crossing: 0.262 tons/year
Summary Information
Fish Passability 1
A future visit to this site is recommended. To check out grate on upstream side. Looks like it was possibly put there by local resident.
These non-native species were observerd at this site: Spotted Knapweed