Road Stream Crossing Site EUP_WRW28
Waishkey River Watershed, East Branch Waishkey River
S Forrest Rd
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.4061759,-84.499095
T 046N R 002 Sec 01
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 10.41 tons/year
Overall Score: 5
Severity: Minor
Date Inventoried: 9/13/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Site Sketch
Crossing Information*
Type of Crossing: Bridge
Number of Structures: 1
Structure Shape: Other
Inlet Type: Headwall and Wingwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: None
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Corrugated
Dimensions of Structure: Length 28 ft. Width 116 ft. Height 15.6 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 4.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 4.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface (via Flow Meter).
Stream Information
Stream Flow: < Bankfull – The stream channel is more than half filled with water, but is not full.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 4.5 ft.
Bankfull Width: 60 ft.
Wetted Width: 52 ft.
Water Velocity: 0 ft./sec. (measured via Flow Meter)
Dominant Substrate: Organics – decomposing plant material
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: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0 ft.
Slope: Vertical, 0:1, or 90°
Downstream
Fill Depth: 0 ft.
Slope: Vertical, 0:1, or 90°
Approaches
Left Approach
Length: 600 ft.
Slope: > 10%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 3.21 tons/year
Right Approach
Length: 1000 ft.
Slope: > 10%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 7.2 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 10.41 tons/year
Summary Information
Fish Passability: Not a Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Thistle, knapweed.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.