Road Stream Crossing Site EUP_6336611126
Carp River Watershed, Ozark Creek
St Ignace to trout lake trl
Mackinac County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.154327709,-84.975906349
T 043NN R 005W Sec 06
Fish Passability: Not Assessed
Structure is NOT Perched
Date Inventoried: 6/9/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Severe deterioration from corrosion or abrasion (more than 50% of the structure is rusted through) or cracking or spalling or chipping (more than 50% of the structure is compromised). Or Major shape changes (described above) reducing the capacity of the structure by greater than 50%. OR Segment disconnect causing major subsurface erosion/piping and/or partial fill failure and/or sink holes in the fill.
Structure Interior: Corrugated
Is Structure Rusted through? Yes
Dimensions of Structure: Length 26 ft. Width 4.5 ft. Height 2.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: 10262
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface.
Stream Information
Stream Flow: < Bankfull – The stream channel is more than half filled with water, but is not full.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Dominant Substrate: Organics – decomposing plant material
Road Information
Road Surface: Gravel
Owner: County
Road Condition: New Pavement or Well Graded, Same condition as initial placement.
Road Width at Culvert: 13 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 2 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Right Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Erosion Information
Summary Information
Fish Passability: Not Assessed
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Spotted napweed.
Site Comments: Optics cable near by culvert
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.