Road Stream Crossing Site BSAB_BS05

Big Sable River Watershed, Tributary of Big Sable River
3 Mile Rd
Sauble Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.03171 , -85.97238
T19N R14W Sec 15
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 3.2452 tons/year
Severity: Severe
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 25 ft. , Width 2 ft. , Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.11 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.04 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 0.63 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.24 ft.
Bankfull Width: 8.8 ft.
Wetted Width: 6.9 ft.
Water Velocity: 1.1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: Vertical
Downstream
Fill Depth: 1.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.9835 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2617 tons/year
Erosion Information
Total Erosion at Crossing: 3.2452 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Knapweed