Road Stream Crossing Site EUP_CHRW43
Charlotte River Watershed, Seymour Creek
3rd Ave W
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.4887909,-84.4014208
T 047N R 001 Sec 11
Fish Passability: Potential Behavioral Barrier
Structure is NOT Perched
Total Erosion: 0.31 tons/year
Overall Score: 17
Severity: Moderate
Date Inventoried: 6/28/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Structure Material: Metal
Structure Substrate: None
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 45 ft. Width 10 ft. Height 7.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 2.6 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? Yes
Pond: Length 45 ft., Width 50 ft.
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 13 ft.
Wetted Width: 6 ft.
Water Velocity: 0 ft./sec. (measured via Flow Meter)
Dominant Substrate: Clay – very fine particles that stick together
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: 20 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5.4 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 5.5 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 275 ft.
Slope: 6-10%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.31 tons/year
Right Approach
Length: 0 ft.
Slope: 6-10%
Vegetation: None, Ditch has been recently graded and is bare of vegetation.
Erosion Estimate: 0 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.31 tons/year
Summary Information
Fish Passability: Potential Behavioral Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Morrows honeysuckle.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.