Road Stream Crossing Site LM065
Manistee River Watershed, Cool Creek
W 12 Mile Rd/ Peters Farm Rd
Elk Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.166319
, -85.987263
T20N
R14W
Sec 4
Owned by Private
Fish Passability 0
Total Erosion: 0.9289 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: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 54 ft.
, Width 6.9 ft.
, Height 4.7 ft.
Structure Inlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 7.5 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Additional Comments
scour pool due to large rocks placed in culvert
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 30 ft.
, Width 30 ft.
, Depth 4 ft.
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: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.9124 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0165 tons/year
Erosion Information
Total Erosion at Crossing: 0.9289 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. Rock removal in culvert
These non-native species were observerd at this site: Autumn Olive, Spotted Knappweed