Road Stream Crossing Site EUP_BMIC_RSX23
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.419224,-84.413287
T 046NN R 001W Sec 03
Fish Passability: Barrier at Most Flows
Structure is NOT Perched
Total Erosion: 2.55 tons/year
Overall Score: 19
Severity: Moderate
Date Inventoried: 12/10/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Not new, but no noticeable corrosion, abrasion, chipping, spalling, or cracking. No shape changes such as barrel distortion (bowing, bending, warping), bulging, inlet or outlet damaged.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 90 ft. Width 4 ft. Height 2.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.08 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 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? Yes
Scour Pool: Length 10 ft., Width 5 ft., Depth 1 ft.
Is Upstream Ponding Present? No
Riffle Information
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: 31 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 8 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 8 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 800 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.45 tons/year
Right Approach
Length: 2000 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 2.1 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 2.55 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
Site Comments: Representative reach not taken due to private property. Streambed overgrown with reed canary grass.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.