Road Stream Crossing Site AUS_OS030
Au Sable River Watershed, Tributary of Au Sable River
Cherry Creek Rd
Greenwood Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.684
, -84.27539
T27N
R01E
Sec 35
Owned by Private
State
State
Fish Passability 0.5
Total Erosion: 1.3305 tons/year
Severity: Moderate
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 60 ft.
, Width 3 ft.
, Height 3.1 ft.
Percentage Plugged:
Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.026 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 8 ft.
Wetted Width: 1 ft.
Water Velocity: 1.399 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 18 ft.
Slope: Vertical
Downstream
Fill Depth: 15 ft.
Slope: Vertical
Approaches
Left Approach
Length: 575 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.714
Erosion: 0.9773 tons/year
Right Approach
Length: 265 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.344
Erosion: 0.3532 tons/year
Erosion Information
Total Erosion at Crossing: 1.3305 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. Culvert is in poor overall conditions and plugged at inlet
These non-native species were observerd at this site: Spotted Knapweed, Yellow Sweet Clover, White Sweet Clover