Road Stream Crossing Site EUP_CHRW67
Charlotte River Watershed, Ermatinger creek
S Nicolet Rd
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.4456185,-84.2757464
T 047N R 001 Sec 26
Fish Passability: Barrier at High Flows
Structure is NOT Perched
Total Erosion: 0.06 tons/year
Overall Score: 23
Severity: Moderate
Date Inventoried: 8/25/2021
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: Mitered
Outlet Type: At Stream Grade
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 48 ft. Width 12 ft. Height 8.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 3.6 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 3.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 3.2 ft. below the surface (via Flow Meter).
Stream Information
Stream Flow: < 1/2 Bankfull – The stream channel is less than half filled with water.
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: 3 ft.
Bankfull Width: 34 ft.
Wetted Width: 26 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: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 2.4 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 150 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.05 tons/year
Right Approach
Length: 240 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: 0.06 tons/year
Summary Information
Fish Passability: Barrier at High Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
Site Comments: Very close outlet into St. Marys. wave action observed.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.