Road Stream Crossing Site AUS_PR005
Au Sable River Watershed, Tributary of Van Etten Creek
MacGregor Rd
Harrisville,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.665
, -83.36276
T26N
R09E
Sec 16,17
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 3.1614 tons/year
Severity: Severe
Year Inventoried: 2012
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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 3 ft.
, Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
There is no riffle. Water ends several feet from the outlet. Landowner says the stream dries up through much of the year and that there's no fish in the stream.
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
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.9 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: 927 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.563
Erosion: 3.1614 tons/year
Erosion Information
Total Erosion at Crossing: 3.1614 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Bittersweet Nightshade, Sweet Clover, Autumn Olive