Road Stream Crossing Site CLHW_OR-001

Ocqueoc River Watershed, Silver Creek
M-68
Moltke Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.39916 , -83.94682
T35N R4E Sec 22
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 2.4251 tons/year
Severity: Moderate
Year Inventoried: 2016
Site ID
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: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 120 ft. , Width 5 ft. , Height 5 ft.
Percentage Plugged: Inlet: 1% to 25% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.45 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 7 ft.
Wetted Width: 6.5 ft.
Water Velocity: 0.4 ft./sec. (Measured with Float Test)
Dominant Substrate: Organics
Road Information
Paved State Road
Road Condition: Fair
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 9 ft.
Slope: More than 1:2
Downstream
Fill Depth: 7.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5276 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.8975 tons/year
Erosion Information
Total Erosion at Crossing: 2.4251 tons/year
Summary Information
Fish Passability 1