Road Stream Crossing Site BSAB_BS64

Big Sable River Watershed, Tributary of Big Sable River
US-31
Freesoil Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 44.09536 , -86.28013
T20N R16W Sec 30
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.9838 tons/year
Severity: Moderate
Year Inventoried: 2011
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: Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 90 ft. , Width 8.3 ft. , Height 8 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
Intermittent stream dry at the time of data collection
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 9 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved Federal Road
Road Condition: Good
Road Width at Culvert: 48 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.7 ft.
Slope: 1:1
Downstream
Fill Depth: 3.7 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0793 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.9045 tons/year
Erosion Information
Total Erosion at Crossing: 0.9838 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Knapweed