Road Stream Crossing Site BSAB_BS18
Big Sable River Watershed, Tributary of Muckwa Creek
Elk Hwy
Elk Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.08292
, -86.03465
T20N
R14W
Sec 31
Owned by Federal
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.1255 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 2 ft.
Percentage Crushed:
Outlet: 76% to 100%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.01 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.86 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
Scour Pool: Length 15 ft.
, Width 8 ft.
, Depth 3 ft.
Riffle Information
Water Depth: 0.03 ft.
Bankfull Width: 4.4 ft.
Wetted Width: 2 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: 1:1
Downstream
Fill Depth: 4.8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 384 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.1111 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0145 tons/year
Erosion Information
Total Erosion at Crossing: 0.1255 tons/year
Extent of Erosion: Minor
Notes: Minor scour pool erosion at outlet
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Knapweed