Road Stream Crossing Site AUS_OS143
Au Sable River Watershed, Au Sable River
West Cherry Creek Rd
Elmer Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.68136
, -84.17114
T27N
R02E
Sec 34
Owned by Private
Fish Passability 0
Perch Height: 0.3 ft.
Total Erosion: 1.206 tons/year
Severity: Severe
Year Inventoried: 2013
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 58 ft.
, Width 3.5 ft.
, Height 2.5 ft.
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0.75 ft.
, Width 0.6 ft.
, Depth 1.5 ft.
Upstream Pond: Length 5 ft.
, Width 6 ft.
Riffle Information
Water Depth: 0.25 ft.
Bankfull Width: 12 ft.
Wetted Width: 3 ft.
Water Velocity: 1 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 32 ft.
Location of Low Point: Other
Embankments
Upstream
Fill Depth: 3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.603 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.603 tons/year
Erosion Information
Total Erosion at Crossing: 1.206 tons/year
Summary Information
Fish Passability 0