Road Stream Crossing Site BSAB_BS13
Big Sable River Watershed, Rimkus Creek
Sauble Lake Dr
Sauble Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.07188
, -85.95129
T19N
R14W
Sec 2
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 3.8121 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: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 30 ft.
, Width 4 ft.
, Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.92 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 1.57 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.95 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.45 ft.
Bankfull Width: 33 ft.
Wetted Width: 31 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4.8 ft.
Slope: 1:1
Downstream
Fill Depth: 4.6 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.5124 tons/year
Right Approach
Length: 573 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.515
Erosion: 1.2997 tons/year
Erosion Information
Total Erosion at Crossing: 3.8121 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Minor embankment erosion due to steep slopes, lack of stabilizing vegetation and road runoff
Summary Information
Fish Passability 0.9