Road Stream Crossing Site CHAR_CX02

Lake Charlevoix Watershed, Stover Creek
M-66
Charlevoix Twp, Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.300709 , -85.257033
T34N R08W Sec 35
Owned by Private
Other
Perch Height: 1 ft.
Total Erosion: 1.6511 tons/year
Severity: Moderate
Year Inventoried: 2011
Site ID
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: Ellipse
Inlet Type: Mitered
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 120 ft. , Width 7.5 ft. , Height 5.8 ft.
Perch Height: 1 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.8 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.9 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 18 ft. , Width 13 ft. , Depth 2.5 ft.
Riffle Information
Water Depth: 0.25 ft.
Bankfull Width: 12.5 ft.
Wetted Width: 11 ft.
Water Velocity: 2 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 40 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 12.2 ft.
Slope: Vertical
Downstream
Fill Depth: 14.2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 702 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.06
Erosion: 0.0557 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 1.0579 tons/year
Erosion Information
Total Erosion at Crossing: 1.6511 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes:

Old non-functioning silt fence on embankment.

Summary Information
Erosion is an area of concern for this site.

Perched and erosion on embankment.