Road Stream Crossing Site AUS_AL004
Au Sable River Watershed, Surface Drain
M-65
Millen Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.64164
, -83.74685
T26N
R06E
Sec 19
Owned by Federal
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.434 tons/year
Severity: Moderate
Year Inventoried: 2013
Site ID
Inlet
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
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: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 79.5 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0 ft./sec.
Stream Information
Stream Flow: Less than Bankfull
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: 39 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5.1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 640 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.526
Erosion: 0.434 tons/year
Erosion Information
Total Erosion at Crossing: 0.434 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knapweed