Road Stream Crossing Site AUS_CR051
Au Sable River Watershed, Barker Creek (West)
Dyer Truck Trail
Grayling Twp,
Crawford County
Information collected by:
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
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
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 | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Streambank |
3.5 ft. |
5.2 ft. |
0.3 ft. |
yes |
Gravel |
0.0011 |
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted Knapweed