Road Stream Crossing Site EUP_6337306369
Pine River Watershed, Biscuit Creek
S Sullivan Creek Rd
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.2218035810001,-84.718200127
T 044NN R 003W Sec 07
Fish Passability: Barrier
Structure is NOT Perched
Total Erosion: 0.28 tons/year
Overall Score: 18
Severity: Moderate
Date Inventoried: 4/13/2021
Representative Reach
Site Sketch
Crossing Information*
Type of Crossing: Bridge
Number of Structures: 1
Structure Shape: Other
Inlet Type: Wingwall 30 to 70 degrees
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Mixture
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 26.3 ft. Width 27.7 ft. Height 14.8 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*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Additional Comments
New timber bridge. Updated by Huron Pines. N. Theisen, L. Schmock
Stream Information
Stream Flow: = Bankfull – Water has completely filled the stream channel, but is not flowing onto the floodplain.
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: 5 ft.
Bankfull Width: 20 ft.
Wetted Width: 12 ft.
Dominant Substrate: Clay – very fine particles that stick together
Road Information
Road Surface: Paved
Owner: Federal
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: 24.2 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
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: 220 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.09 tons/year
Right Approach
Length: 400 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.19 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.28 tons/year
Summary Information
Fish Passability: Barrier
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
Site Comments: Spotted knapweed
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.