Road Stream Crossing Site EUP_BMIC_RSX1
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.433629684,-84.420837723
T 047NN R 001W Sec 34
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.14 tons/year
Overall Score: 9
Severity: Minor
Date Inventoried: 11/21/2020
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: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 98 ft. Width 5.5 ft. Height 6 ft.
Percentage Plugged: 1% - 20% Inlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.08 ft.
Embedded Depth of Structure: 0.166 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 1.08 ft.
Embedded Depth of Structure: 0.083 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: = Bankfull – Water has completely filled the stream channel, but is not flowing onto the floodplain.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 3 ft.
Wetted Width: 1 ft.
Water Velocity: 0.1 ft./sec. (measured via Float Test)
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: 28.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 6.4 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 200 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.08 tons/year
Right Approach
Length: 150 ft.
Slope: 1-5%
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: 0.14 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? No
Site Comments: No channel is visible, rep reach hard to mesure
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.