Road Stream Crossing Site AUS_OS042
Au Sable River Watershed, Tributary of Loon Lake
M-33
Big Creek Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.51581
, -84.12819
T25N
R02E
Sec 36
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.7858 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: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 136 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
Additional Comments
Road drainage down road to designated runoff spots to ditch. Crossing is dry.
Stream Information
Stream Flow: None
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 41.7 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 14.2 ft.
Downstream
Fill Depth: 16.5 ft.
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.7858 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.7858 tons/year
Notes: No erosion noted
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted knapweed, queen annes lace, Phragmites