Road Stream Crossing Site BSAB_BS44

Big Sable River Watershed, Tributary of Big Sable River
Carey St
Freesoil Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 44.11076 , -86.21188
T20N R16W Sec 22
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.9741 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: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2 ft.
40 ft.
2 ft.
Metal
2
2 ft.
40 ft.
2 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft. , Width 2 ft. , Height 2 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)
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 8 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel Town Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.7 ft.
Slope: Vertical
Downstream
Fill Depth: 4.9 ft.
Slope: 1:1
Approaches
Left Approach
Length: 294 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.458
Erosion: 0.593 tons/year
Right Approach
Length: 201 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.3811 tons/year
Erosion Information
Total Erosion at Crossing: 0.9741 tons/year
Extent of Erosion: Minor
Notes: Minor erosion due to lacking stabilizing vegetation
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Knapweed