Road Stream Crossing Site EUP_BMIC_RSX155
Waishkey River Watershed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.351816,-84.509723
T 046N R 002 Sec 26
Fish Passability: Barrier at Most Flows
Structure is NOT Perched
Total Erosion: 1.68 tons/year
Overall Score: 27
Severity: Moderate
Date Inventoried: 12/8/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Plastic
Structure Substrate: None
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Additional (Multiple) Structures | ||||
Structure | Width | Length | Height | Material |
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 50 ft. Width 3 ft. Height 2.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.33 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.33 ft./sec.
Structure Outlet
Water Depth: 0.25 ft.
Embedded Depth of Structure: 0.125 ft.
Water Velocity*: 0.33 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: Ephemeral (if channel is dry and appears to flow only after heavy rains, may be covered in organic debris indicating it has not flowed recently).
Is Scour Pool Present? No
Is Upstream Ponding Present? Yes
Pond: Length 6 ft., Width 12 ft.
Riffle Information
Road Information
Road Surface: Gravel
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: 30 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: 4.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 350 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 1.66 tons/year
Right Approach
Length: 50 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.02 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 1.68 tons/year
Summary Information
Fish Passability: Barrier at Most Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.