Road Stream Crossing Site EUP_Soo 10
Charlotte River Watershed
10.5 Mile Rd
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.3563355,-84.2332594
T 046N R 002 Sec 30
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0 tons/year
Overall Score: 16
Severity: Moderate
Date Inventoried: 9/28/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
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 25 ft. Width 4 ft. Height 2 ft.
Percentage Plugged: None or 0%
Percentage Crushed: 21% - 40%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 1 ft.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 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: Concentrated Wetland Flow.
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Road Information
Road Surface: Grass/Vegetated
Owner: State
Manager: DNR Forest Resources Division
Road Condition: Impassible, Significant damage to road surface at crossing.
Road Core Integrity: Poor (one or more symptoms are present and are compromising the integrity of the crossing)
Road Width at Culvert: 12 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: 1 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
Estimate of Total Erosion at Crossing: 0 tons/year
Summary Information
Fish Passability: Not a Barrier
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.