Road Stream Crossing Site BSAB_BS06
Big Sable River Watershed, McCarthy Creek
3 Mile Rd
Sauble Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.03152
, -85.95145
T19N
R14W
Sec 23
Owned by Federal
Perch Height: 2 ft.
Total Erosion: 5.3585 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: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 1.5 ft.
, Height 1.5 ft.
Perch Height: 2 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 0.09 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 5 ft.
, Width 5 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 0.09 ft.
Bankfull Width: 5.5 ft.
Wetted Width: 1.9 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 375 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.475
Erosion: 1.2758 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 4.0826 tons/year
Erosion Information
Total Erosion at Crossing: 5.3585 tons/year
Extent of Erosion: Minor
Notes:
Minor erosion from scour pool and road runoff.
Summary Information
Fish Passage is an area of concern for this site.
2 ft perch
A future visit to this site is recommended.
To assess priority; fish passage impossible but stream is too little to support many species.
These non-native species were observerd at this site: Knapweed