Road Stream Crossing Site EUP_CHRW17
Charlotte River Watershed, Unnamed
S Shunk Road
Information collected by:
Site Location
GPS Coordinates: 46.3752661,-84.3219264
T 046N R 001 Sec 20
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.03 tons/year
Overall Score: 10
Severity: Minor
Date Inventoried: 6/22/2021
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: Pipe Arch
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 120 ft. Width 19 ft. Height 11.5 ft.
Percentage Plugged: 1% - 20% Inlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.1 ft. below the surface (via Flow Meter).
Riffle Information
Water Depth: 2.7 ft.
Bankfull Width: 27 ft.
Wetted Width: 20 ft.
Water Velocity: 0.1 ft./sec. (measured via Flow Meter)
Dominant Substrate: Clay – very fine particles that stick together
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: 23 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5.5 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 5.8 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 50 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.01 tons/year
Right Approach
Length: 75 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: 0.03 tons/year
Summary Information
Fish Passability: Not a Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Burdock, reed canary grass, birds-foot trefoil,.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.