Road Stream Crossing Site CHAR_EV35
Lake Charlevoix Watershed, Porter Creek
Advance Rd
Evangeline Twp,
Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.21829
, -85.07317
T33N
R06W
Sec 32
Owned by Private
Structure is NOT Perched
Total Erosion: 0.9567 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: Mitered
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft.
, Width 8 ft.
, Height 8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.3 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.7 ft./sec.
*Water Velocities were measured 0.45 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 35 ft.
, Width 20 ft.
, Depth 2.8 ft.
Riffle Information
Water Depth: 0.35 ft.
Bankfull Width: 22 ft.
Wetted Width: 17 ft.
Water Velocity: 2.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 35 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.8
Erosion: 0.9256 tons/year
Right Approach
Length: 492 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.055
Erosion: 0.0311 tons/year
Erosion Information
Total Erosion at Crossing: 0.9567 tons/year
Extent of Erosion: Moderate
Notes:
Embankments and streambanks need vegetation and scour pool is present.
Summary Information
Erosion is an area of concern for this site.
Embankments and streambanks need stabilization and high velocity flow is scouring at the banks.
A future visit to this site is recommended.
To determine extent of erosion.
These non-native species were observerd at this site: Vinca minor