Road Stream Crossing Site LM013
Manistee River Watershed, Little Manistee River Tributary
3 Mile Rd/ Old M-63
Ellsworth Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.027939
, -85.662832
T19N
R11W
Sec 20
Owned by Private
Fish Passability 0.9
Total Erosion: 0.2804 tons/year
Severity: Moderate
Year Inventoried: 2019
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 82 ft.
, Width 5 ft.
, Height 5 ft.
Structure Inlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Additional Comments
new road
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 2.7 ft.
Wetted Width: 1.7 ft.
Water Velocity: 0.7 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: Ditch
Embankments
Upstream
Fill Depth: 20 ft.
Slope: 1:1.5
Downstream
Fill Depth: 20 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.2231 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: 0.2804 tons/year
Extent of Erosion: Minor
Notes: Steep banks, tree planting may help
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Streambank |
10 ft. |
20 ft. |
5 ft. |
yes |
Sand |
0.055 |
Summary Information
Fish Passability 0.9