Road Stream Crossing Site BSAB_BS45
Big Sable River Watershed, Tributary of Big Sable River
Treml Rd
Freesoil Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.12152
, -86.21049
T20N
R16W
Sec 22
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 5.9669 tons/year
Severity: Severe
Year Inventoried: 2011
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: Good
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft.
, Width 8 ft.
, Height 8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.05 ft./sec.
Structure Outlet
Water Depth: 0.25 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.05 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 9 ft.
Wetted Width: 2.8 ft.
Water Velocity: 0.05 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: 3.6 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4.9 ft.
Slope: 1:1
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: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.9835 tons/year
Erosion Information
Total Erosion at Crossing: 5.9669 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Knapweed