Road Stream Crossing Site EUP_SI12
Saint Marys River Watershed, Sucker Creek
E North Shore Drive
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.5312268,-84.207329
T 048N R 002 Sec 29
Fish Passability: Barrier
Structure is NOT Perched
Total Erosion: 0.86 tons/year
Overall Score: 30
Severity: Severe
Date Inventoried: 7/1/2021
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Plastic
Structure Substrate: Sand
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 70 ft. Width 8 ft. Height 8 ft.
Percentage Plugged: 21% - 40% Inside
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: 0.6 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: None – The streambed is dry and there is no water flow.
Stream Flow Type: Intermittent (if channel is dry but has obviously flowed recently, appears to flow annually).
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 12 ft.
Wetted Width: 5.5 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: 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: 6 ft.
Slope: Steep, 1:1, 45°, or 100%
Downstream
Fill Depth: 8 ft.
Slope: Steep, 1:1, 45°, or 100%
Approaches
Left Approach
Length: 1000 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.43 tons/year
Right Approach
Length: 1000 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.43 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.86 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, Burdock, spotted knapweed, birds-foot trefoil, wild parsnip.
Site Comments: Culvert plugged with large rocks
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.