Road Stream Crossing Site EUP_BMIC_RSX263
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.375242348,-84.58269548
T 046NN R 002W Sec 20
Fish Passability: Barrier
Perch Height: 2 ft.
Total Erosion: 0.74 tons/year
Overall Score: 34
Severity: Severe
Date Inventoried: 12/7/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Wingwall 30 to 70 degrees
Outlet Type: Outlet Apron
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 130 ft. Width 4 ft. Height 6 ft.
Percentage Plugged: 41% - 60% Outlet
Percentage Crushed: None or 0%
Perch Height: 2 ft.
Structure Inlet
Water Depth: 0.042 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.16 ft.
Embedded Depth of Structure: 0.16 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: < 1/2 Bankfull – The stream channel is less than half filled with water.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Road Information
Road Surface: Paved
Owner: State
Manager: MDOT
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: 39 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 46 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 47 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 300 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.21 tons/year
Right Approach
Length: 600 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.53 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.74 tons/year
Summary Information
Fish Passability: Barrier
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.