Road Stream Crossing Site BSAB_BS19
Big Sable River Watershed, Tributary of Muckwa Creek
Elk Hwy
Elk Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.08348
, -86.03477
T20N
R14W
Sec 31
Owned by Federal
Fish Passability 0
Perch Height: 0.6 ft.
Total Erosion: 0.3512 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: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 80 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 0.6 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.7 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Inlet is 0.9 ft above stream grade
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 18 ft.
, Width 10 ft.
, Depth 3 ft.
Riffle Information
Water Depth: 0.43 ft.
Bankfull Width: 9.8 ft.
Wetted Width: 7.9 ft.
Water Velocity: 0.05 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.8 ft.
Slope: 1:1
Downstream
Fill Depth: 3.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 159 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0482 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.303 tons/year
Erosion Information
Total Erosion at Crossing: 0.3512 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
perched outlet
A future visit to this site is recommended. to assess the extent of fish passage
These non-native species were observerd at this site: Knapweed