Road Stream Crossing Site EUP_BMIC_RSX16
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.4124103880001,-84.4475296689999
T 046NN R 001W Sec 05
Fish Passability: Barrier at High Flows
Structure is NOT Perched
Total Erosion: 0.27 tons/year
Overall Score: 15
Severity: Moderate
Date Inventoried: 12/3/2019
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: None
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 2.1 ft. Width 4 ft. Height 2.1 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.16 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.83 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: > Bankfull – Water has filled the stream channel and is flowing onto the floodplain.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? Yes
Scour Pool: Length 10 ft., Width 8 ft., Depth 1.3 ft.
Is Upstream Ponding Present? No
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: 4 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 10 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 10 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 300 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.15 tons/year
Right Approach
Length: 250 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.12 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.27 tons/year
Summary Information
Fish Passability: Barrier at High Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Canadian Thistle.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.