Road Stream Crossing Site BSAB_BS58
Big Sable River Watershed, Tributary of Big Sable River
Freeman Rd
Freesoil Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.09339
, -86.26775
T20N
R16W
Sec 30
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.4748 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: Ellipse
Inlet Type: Apron
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 6 ft.
, Height 4.3 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: 7 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: 1:1.5
Downstream
Fill Depth: 3.9 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4711 tons/year
Right Approach
Length: 90 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0037 tons/year
Erosion Information
Total Erosion at Crossing: 0.4748 tons/year
Summary Information
Fish Passability 0.5