Road Stream Crossing Site EUP_BMIC_RSX281
Charlotte River Watershed
PAR
Chippewa County
Information collected by:
Bay Mills Indian Community
Site Location
GPS Coordinates: 46.4211268672861,-84.603388402915
T 047N R 002 Sec 31
Fish Passability: Barrier at High Flows
Structure is NOT Perched
Total Erosion: 0.11 tons/year
Overall Score: 21
Severity: Moderate
Date Inventoried: 12/12/2020
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
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 94 ft. Width 6 ft. Height 3.5 ft.
Percentage Plugged: 1% - 20% Outlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.25 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 1.2 ft.
Water Velocity*: 0.083 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? Yes
Scour Pool: Length 8 ft., Width 4 ft., Depth 0.5 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: 44 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 25 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 25 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 150 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.09 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: 0.11 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.