Road Stream Crossing Site EUP_Soo 4
Charlotte River Watershed
Trail 8
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.4460034267901,-84.4477143372097
T 047N R 001 Sec 29
Owned by State
Fish Passability: Barrier
Perch Height: 0.3 ft.
Total Erosion: 0.29 tons/year
Overall Score: 40
Severity: Severe
Date Inventoried: 9/20/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Other
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Major deterioration from corrosion or abrasion (10-50% of the length of structure is rusted through) or cracking or spalling or chipping (large chunks sloughing off, large cracks, exposed metal reinforcement). OR Major shape changes (described above) reducing the capacity of the structure by up to 50%. OR segment disconnection with evidence of water piping under or around the culvert.
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 45 ft. Width 5 ft. Height 5 ft.
Percentage Plugged: 81% - 100% Inlet
Percentage Crushed: None or 0%
Perch Height: 0.3 ft.
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface.
Stream Information
Stream Flow: None – The streambed is dry and there is no water flow.
Is Scour Pool Present? No
Is Upstream Ponding Present? Yes
Pond: Length 7 ft., Width 6 ft.
Riffle Information
Road Information
Road Surface: Gravel
Owner: State
Manager: DNR Forest Resources Division
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: 13 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 2 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 160 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.23 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: 0.06 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.29 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
Site Comments: Dam
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.