Road Stream Crossing Site LM012

Manistee River Watershed, Little Manistee River Tributary
Old M-63
Ellsworth Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.016938 , -85.649421
T19N R11W Sec 29
Owned by Private
Fish Passability 0.9
Total Erosion: 0.0045 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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft. , Width 4.8 ft. , Height 3.3 ft.
Percentage Plugged: Inlet: 1% to 25%
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 2.1 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
inlet filled with sand
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 7.3 ft.
Wetted Width: 4.8 ft.
Water Velocity: 1.1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0022 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0022 tons/year
Erosion Information
Total Erosion at Crossing: 0.0045 tons/year
Summary Information
Fish Passability 0.9