Road Stream Crossing Site AUS_OS150
Au Sable River Watershed, Cherry Creek
West Miller Rd (County Rd 608)
Elmer Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.72488
, -84.16031
T27N
R02E
Sec 14,23
Owned by Private
Fish Passability 0
Perch Height: 1 ft.
Total Erosion: 0.7976 tons/year
Severity: Severe
Year Inventoried: 2012
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: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 63.5 ft.
, Width 4 ft.
, Height 2.9 ft.
Perch Height: 1 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 16 ft.
, Width 14 ft.
, Depth 1.4 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 10.5 ft.
Wetted Width: 7.5 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 33.3 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 577 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.515
Erosion: 0.3274 tons/year
Right Approach
Length: 780.8 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.547
Erosion: 0.4703 tons/year
Erosion Information
Total Erosion at Crossing: 0.7976 tons/year
Summary Information
Fish Passability 0
A future visit to this site is recommended. Because of the scour pool.