Road Stream Crossing Site AUS_CR065

Au Sable River Watershed, Beaver Creek
Pioneer Rd
Beaver Creek Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.5259 , -84.62981
T25N R03W Sec 36
Owned by Private
State
Fish Passability 0
Structure is NOT Perched
Total Erosion: 10.3021 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 42 ft. , Width 4.7 ft. , Height 4.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 3.48 ft./sec.
Structure Outlet
Water Depth: 2.1 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.86 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 39 ft. , Width 37 ft. , Depth 5 ft.
Upstream Pond: Length 36 ft. , Width 23 ft.
Riffle Information
Water Depth: 1.2 ft.
Bankfull Width: 28 ft.
Wetted Width: 24 ft.
Water Velocity: 1.54 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 26.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 578 ft.
Slope: 6% to 10%
Vegetation: Partial
LS Factor: 2.422
Erosion: 10.2181 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 10.3021 tons/year
Extent of Erosion: Moderate
Notes: Located above culverts up and downstream.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream
14 ft.
17 ft.
0.5 ft.
yes
Gravel
0.049
Left Upstream
10 ft.
4 ft.
0.5 ft.
yes
Gravel
0.035
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Yes, for fish passage and erosion, because of high water velocity and lots of impounded water.
A future visit to this site is recommended. To assess the high water velocity and impounded water.
These non-native species were observerd at this site: Spotted Knapweed, Leafy Spurge

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