Road Stream Crossing Site LM008
Manistee River Watershed, Little Manistee River
E 1 Mile Road
Ellsworth Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.002338
, -85.6444
T19N
R11W
Sec 29
Owned by Private
Fish Passability 0.5
Total Erosion: 0.7354 tons/year
Severity: Moderate
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 50 ft.
, Width 3 ft.
, Height 3 ft.
Percentage Plugged:
In Pipe: 1% to 25%
Percentage Crushed:
In Pipe: 1% to 25%
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 2.5 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface
(with Meter)
Additional Comments
hump in the middle of culvert
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 5.2 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:1.5
Downstream
Fill Depth: 2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0131 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.7223 tons/year
Erosion Information
Total Erosion at Crossing: 0.7354 tons/year
Summary Information
Fish Passability 0.5