Road Stream Crossing Site LM048

Manistee River Watershed, Little Manistee River Tributary
James Road
Peacock Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.0728 , -85.843344
T19N R13W Sec 3
Owned by State
Federal
Fish Passability 0.9
Total Erosion: 0.5862 tons/year
Severity: Moderate
Year Inventoried: 2019
Inlet
Upstream 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: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 67 ft. , Width 6 ft. , Height 6 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 1.3 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 6.2 ft.
Wetted Width: 4.2 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.48
Erosion: 0.5025 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.32
Erosion: 0.0837 tons/year
Erosion Information
Total Erosion at Crossing: 0.5862 tons/year
Summary Information
Fish Passability 0.9