Road Stream Crossing Site LM004
Manistee River Watershed, Little Manistee River Tributary
Saddler Rd
Ellsworth Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 44.023045
, -85.622591
T19N
R11W
Sec 21
Owned by Private
Fish Passability 0.5
Total Erosion: 3.3467 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: Round
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Dimensions of Structure: Length 50 ft.
, Width 3 ft.
, Height 3 ft.
Percentage Crushed:
Outlet: 1% to 25%
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.3 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.1 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 20 ft.
, Width 10 ft.
, Depth 1.7 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 10.4 ft.
Wetted Width: 6.4 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:1.5
Downstream
Fill Depth: 5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 450 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.583
Erosion: 3.335 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0117 tons/year
Erosion Information
Total Erosion at Crossing: 3.3467 tons/year
Summary Information
Fish Passability 0.5