Road Stream Crossing Site PM_L071
Pere Marquette River Watershed, Carr Creek
S Woodstock Rd
Lake Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 43.86667
, -86.02899
T17N
R14W
Sec 18
Owned by Private
Perch Height: 0.8 ft.
Total Erosion: 2.6081 tons/year
Severity: Severe
Year Inventoried: 2014
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 42 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 0.8 ft.
Structure Inlet
Water Depth: 0.8 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Water Velocity*: 4.5 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 8 ft.
, Width 6 ft.
, Depth 2 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 7 ft.
Wetted Width: 6 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: 1:2
Downstream
Fill Depth: 3 ft.
Slope: 1:2
Approaches
Left Approach
Length: 180 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.186
Erosion: 1.0586 tons/year
Right Approach
Length: 240 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.302
Erosion: 1.5495 tons/year
Erosion Information
Total Erosion at Crossing: 2.6081 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.
A future visit to this site is recommended.
Perched outlet