Road Stream Crossing Site EUP_6337064249
Pine River Watershed, Blind Biscuit Creek
FR 3518
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.222954332,-84.8617072769999
T 044NN R 004W Sec 07
Fish Passability: Not Assessed
Structure is NOT Perched
Total Erosion: 0.08 tons/year
Overall Score: 32
Severity: Severe
Date Inventoried: 4/23/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Site Sketch
Crossing Information*
Type of Crossing: Ford
Number of Structures: 1
Structure Shape: Other
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Other
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: Other
Is Structure Rusted through? No
Dimensions of Structure: Length 0 ft. Width 0 ft. Height 0 ft.
Percentage Plugged: None or 0%
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 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Additional Comments
Updated by Huron Pines
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? Yes
Scour Pool: Length 20 ft., Width 15 ft., Depth 3 ft.
Is Upstream Ponding Present? Yes
Pond: Length 12 ft., Width 9 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (measured via Float Test)
Dominant Substrate: Sand – particles are smaller than a pinhead and feel gritty between fingers
Road Information
Road Surface: Sand
Owner: Federal
Road Condition: Broken Pavement or Rilled/Gullied, Multiple patches, cracks, rilling, or gullies at crossing.
Road Core Integrity: Poor (one or more symptoms are present and are compromising the integrity of the crossing)
Road Width at Culvert: 9 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 0 ft.
Slope: Gentle, 3:1, 15°, or 33%
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: 0.04 tons/year
Right Approach
Length: 50 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.04 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.08 tons/year
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 knapweed.
Site Comments: Culvert has been removed/washed out. No flowing stream is present and old culvert is on the side of the trail. Essentially a ford rather than culvert.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.