Road Stream Crossing Site EUP_BMIC_RSX149
Waishkey River Watershed, Unnamed
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.3471591460001,-84.488854906
T 046NN R 002W Sec 25
Fish Passability: Barrier at High Flows
Structure is NOT Perched
Total Erosion: 0.04 tons/year
Overall Score: 25
Severity: Moderate
Date Inventoried: 11/14/2019
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 3 or More
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Plastic
Structure Substrate: None
General Conditions: Moderate deterioration from corrosion or abrasion (small rust flakes or indication that rust is slightly deeper than the surface level) or cracking or spalling or chipping (few minor cracks or localized chipping in the concrete). OR minor shape changes (described above).
Additional (Multiple) Structures | ||||
Structure | Width | Length | Height | Material |
1 | 3 ft. | 60 ft. | 3 ft. | Plastic |
2 | 3 ft. | 60 ft. | 3 ft. | Plastic |
3 | 3 ft. | 60 ft. | 3 ft. | Plastic |
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 60 ft. Width 3 ft. Height 3 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.8 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.125 ft./sec.
Structure Outlet
Water Depth: 2.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.125 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 25 ft., Depth 3 ft.
Is Upstream Ponding Present? Yes
Pond: Length 15 ft., Width 25 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: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 4.6 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 50 ft.
Slope: < 1%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.02 tons/year
Right Approach
Length: 50 ft.
Slope: < 1%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.02 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.04 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? No
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.