Road Stream Crossing Site EUP_BMIC_RSX110
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.368324,-84.593044
T 046NN R 002W Sec 20
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.06 tons/year
Overall Score: 8
Severity: Minor
Date Inventoried: 6/8/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Apron
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 55 ft. Width 4 ft. Height 4 ft.
Percentage Plugged: 1% - 20% Inlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.58 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface (via Flow Meter).
Additional Comments
Updated by Huron Pines N. Theison and S. Peterson
Stream Information
Stream Flow: < Bankfull – The stream channel is more than half filled with water, but is not full.
Stream Flow Type: Intermittent (if channel is dry but has obviously flowed recently, appears to flow annually).
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (measured via Flow Meter)
Dominant Substrate: Organics – decomposing plant material
Road Information
Road Surface: Paved
Owner: County
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: 22.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 3.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Right Approach
Length: 200 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.06 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.06 tons/year
Summary Information
Fish Passability: Not a Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Reed canary grass, spotted knapweed.
Site Comments: Some stagnant water in culvert but not flowing at time of assessment.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.