Road Stream Crossing Site AUS_PR099

Au Sable River Watershed, Grey Creek
Cruzen Rd
Mikado Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.54192 , -83.46246
T25N R08E Sec 21,22
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.2246 tons/year
Severity: Moderate
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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 58 ft. , Width 5 ft. , Height 5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
The stream dries up after the scour pool, so there is no riffle.
Stream Information
Stream Flow: None
Scour Pool: Length 30 ft. , Width 18.5 ft. , Depth 2 ft.
Upstream Pond: Length 16 ft. , Width 14.5 ft. , Depth 1 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 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: 595 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.519
Erosion: 0.2246 tons/year
Erosion Information
Total Erosion at Crossing: 0.2246 tons/year
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. To see how the culvert and pools behave when there is more water.
These non-native species were observerd at this site: Autumn Olive, Sweet Clover