Road Stream Crossing Site AUS_OG003

Au Sable River Watershed, Tributary of Mink Creek
Heath Rd
Goodar Twp, Ogemaw County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.44793 , -83.95795
T24N R04E Sec 28
Owned by Private
Perch Height: 0.2 ft.
Total Erosion: 0.5615 tons/year
Severity: Minor
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
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
, Width 0.5 ft. , Height 0.5 ft.
Perch Height: 0.2 ft.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
Can't locate inlet (but water is flowing through).
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 3 ft. , Width 2.5 ft. , Depth 0.5 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 40 ft.
Wetted Width: 2 ft.
Water Velocity: 0.7 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 29.8 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 4.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5615 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: 0.5615 tons/year
Summary Information
Fish Passage is an area of concern for this site. Yes, it's perched (fish passage barrier), and we can't find inlet.
A future visit to this site is recommended. Because it is perched and because we can't find the inlet.
These non-native species were observerd at this site: Spotted Knapweed