Road Stream Crossing Site LM071
Manistee River Watershed, Stronach Creek
W 11 Mile Rd
Elk Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.148168
, -85.989172
T20N
R14W
Sec 4
Owned by Private
Fish Passability 0.9
Total Erosion: 0.1836 tons/year
Severity: Minor
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50 ft.
, Width 4 ft.
, Height 2 ft.
Structure Inlet
Water Depth: 3.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 3.5 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 1.9 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 1.2 ft.
Bankfull Width: 16 ft.
Wetted Width: 16 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1818 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0018 tons/year
Erosion Information
Total Erosion at Crossing: 0.1836 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Possibly non-native cattails