Road Stream Crossing Site AUS_PR014
Au Sable River Watershed, Van Etten Creek
F-41
Mikado Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.57366
, -83.42229
T25N
R08E
Sec 11,12
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.6783 tons/year
Severity: Minor
Year Inventoried: 2012
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 42 ft.
, Width 39 ft.
, Height 25 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Nearby landowner says the creek is not usually murky but rather clear. Doesn't know why it's so murky right now.
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: 1.5 ft.
Bankfull Width: 15 ft.
Wetted Width: 12 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Silt
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 36 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6783 tons/year
Erosion Information
Total Erosion at Crossing: 0.6783 tons/year
Summary Information
Fish Passability 1
A future visit to this site is recommended. To check water quality-looks milky and polluted.
These non-native species were observerd at this site: Mullein, burdock, Spotted Knapweed, Sweet Clover, Autumn Olive