Road Stream Crossing Site EUP_Soo 6
Waishkey River Watershed, Unknown
Trail 8
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.4346630985775,-84.4624593126879
T 047N R 001 Sec 29
Owned by Unknown
Fish Passability: Potential Behavioral Barrier
Structure is NOT Perched
Total Erosion: 0.32 tons/year
Overall Score: 17
Severity: Moderate
Date Inventoried: 9/27/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Other
Other
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 36 ft. Width 2.5 ft. Height 2.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: < 1/2 Bankfull – The stream channel is less than half filled with water.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? Yes
Pond: Length 50 ft., Width 9 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 3 ft.
Wetted Width: 1.5 ft.
Water Velocity: 0.4 ft./sec. (measured via Float Test)
Dominant Substrate: Silt – very fine particles that don't stick together
Road Information
Road Surface: Gravel
Owner: State
Manager: DNR Forest Resources Division
Road Condition: New Pavement or Well Graded, Same condition as initial placement.
Road Core Integrity: Good (no symptoms of lack of integrity)
Road Width at Culvert: 18 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 2 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 75 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.13 tons/year
Right Approach
Length: 100 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.19 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.32 tons/year
Summary Information
Fish Passability: Potential Behavioral Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
Site Comments: Water/swamp
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.