Road Stream Crossing Site EUP_CHRW66
Charlotte River Watershed, Ermatinger Creek
E 5 1/4 Mile Rd
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.4304584,-84.3128381
T 047N R 001 Sec 33
Fish Passability: Barrier
Structure is NOT Perched
Total Erosion: 0.22 tons/year
Overall Score: 25
Severity: Moderate
Date Inventoried: 8/24/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Wingwall 30 to 70 degrees
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: None
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 88 ft. Width 6 ft. Height 7 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.2 ft. below the surface (via Flow Meter).
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
Water Depth: 1.6 ft.
Bankfull Width: 12 ft.
Wetted Width: 9.5 ft.
Water Velocity: 0 ft./sec. (measured via Flow Meter)
Dominant Substrate: Clay – very fine particles that stick together
Road Information
Road Surface: Paved
Owner: County
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
Road Core Integrity: Fair (some of the symptoms may be present, but not to an extent posing high risk to the crossing)
Road Width at Culvert: 28 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 10.5 ft.
Slope: Steep, 1:1, 45°, or 100%
Downstream
Fill Depth: 11 ft.
Slope: Steep, 1:1, 45°, or 100%
Approaches
Left Approach
Length: 400 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.18 tons/year
Right Approach
Length: 100 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.04 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.22 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? Yes, Wild parsnip, wild carrot, spotted knapweed, burdock.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.