Road Stream Crossing Site CHAR_MA17
Lake Charlevoix Watershed, Unknown
M-66
Marion Twp,
Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.27555
, -85.22224
T33N
R08W
Sec 12
Owned by Private
Structure is NOT Perched
Total Erosion: 0.772 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: Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: None
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 90 ft.
, Width 4 ft.
, Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 0.48 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 Bankfull
Riffle Information
Water Depth: 0.25 ft.
Bankfull Width: 5.6 ft.
Wetted Width: 4.7 ft.
Water Velocity: 1.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 40 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:1
Downstream
Fill Depth: 3.8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 276 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0182 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.7537 tons/year
Erosion Information
Total Erosion at Crossing: 0.772 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.