Road Stream Crossing Site AUS_OS019
Au Sable River Watershed, Beaver Creek
Ruth Rd
Greenwood Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.70899
, -84.27189
T27N
R01E
Sec 26,27
Owned by Private
Federal
Federal
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 18.95 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)
Structure Shape: Round
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft.
, Width 2 ft.
, Height 2.4 ft.
Percentage Plugged:
Inlet: 1% to 25%
Percentage Crushed:
Inlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.541 ft./sec.
Structure Outlet
Water Depth: 1.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.811 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 26 ft.
, Width 16 ft.
, Depth 2.22 ft.
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 14 ft.
Wetted Width: 5.5 ft.
Water Velocity: 0.3703 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 970 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.029
Erosion: 11.9281 tons/year
Right Approach
Length: 650 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.783
Erosion: 7.022 tons/year
Erosion Information
Total Erosion at Crossing: 18.95 tons/year
Extent of Erosion: Minor
Notes: Clumps of soil over culvert downstream.
Summary Information
Fish Passability 0.5
Fish Passage is an area of concern for this site.
Trash Rack and debris plugging culvert
A future visit to this site is recommended. To check on trash rack and plugging.
These non-native species were observerd at this site: Canada Thistle