Road Stream Crossing Site AUS_CR051

Au Sable River Watershed, Barker Creek (West)
Dyer Truck Trail
Grayling Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.6987 , -84.50019
T27N R03W Sec 36
Owned by State
Fish Passability 0.9
Total Erosion: 4.4491 tons/year
Severity: Severe
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: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 25 ft. , Width 0.5 ft. , Height 1.3 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.95 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 66 ft.
Wetted Width: 52 ft.
Water Velocity: 0 ft./sec. (Measured with Float Test)
Dominant Substrate: Silt
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 15.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 1.3 ft.
Slope: More than 1:2
Fill Depth: 1 ft.
Slope: More than 1:2
Left Approach
Length: 196 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 1.435
Erosion: 1.2008 tons/year
Right Approach
Length: 962 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.791
Erosion: 3.2471 tons/year
Erosion Information
Total Erosion at Crossing: 4.4491 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Reaching Stream?
Right Streambank
3.5 ft.
5.2 ft.
0.3 ft.
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed