Road Stream Crossing Site EUP_Spile Dam 4
Waishkey River Watershed
Spile Dam Rd
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.3173624473513,-84.6086955480573
T 045N R 002 Sec 07
Fish Passability: Barrier at High Flows
Total Erosion: 0.02 tons/year
Overall Score: 18
Severity: Moderate
Date Inventoried: 10/7/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
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: None
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 20 ft. Width 1 ft. Height 1 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure Inlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Structure Outlet
Water Depth: 0.75 ft.
Embedded Depth of Structure: 0 ft.
Stream Information
Stream Flow: < 1/2 Bankfull – The stream channel is less than half filled with water.
Is Scour Pool Present? Yes
Scour Pool: Length 20 ft., Width 4 ft., Depth 1 ft.
Is Upstream Ponding Present? Yes
Pond: Length 20 ft., Width 15 ft.
Riffle Information
Road Information
Road Surface: Sand
Owner: State
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
Road Core Integrity: Fair (some of the symptoms may be present, but not to an extent posing high risk to the crossing)
Road Width at Culvert: 12 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.75 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 0.75 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 10 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.01 tons/year
Right Approach
Length: 10 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.01 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.02 tons/year
Summary Information
Fish Passability: Barrier at High Flows
Site Comments: Wetlands
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.