Road Stream Crossing Site LM066

Manistee River Watershed, Cool Creek
12 Mile Rd/Peters Farm Rd
Elk Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.166334 , -85.988127
T20N R14W Sec 4
Owned by Private
Fish Passability 0
Total Erosion: 0.0275 tons/year
Severity: Severe
Year Inventoried: 2019
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6.8 ft.
26 ft.
5 ft.
Metal
2
6.8 ft.
26 ft.
4.8 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 26 ft. , Width 6.8 ft. , Height 5 ft.
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.3 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 6.3 ft./sec.
*Water Velocities were measured 0.9 ft. below Surface (with Meter)
Additional Comments
values from culvert 2
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 35.5 ft.
Wetted Width: 29.5 ft.
Water Velocity: 1.6 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0138 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0138 tons/year
Erosion Information
Total Erosion at Crossing: 0.0275 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
A future visit to this site is recommended. Rocks placed in culvert
These non-native species were observerd at this site: Autumn Olive