Road Stream Crossing Site EUP_6337347839
Pine River Watershed, Black Creek
S Sullivan Creek Trail
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.268625521,-84.717918076
T 045NN R 003W Sec 30
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.93 tons/year
Overall Score: 2
Severity: Minor
Date Inventoried: 5/11/2021
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: Other
Outlet Type: At Stream Grade
Structure Material: Other
Structure Substrate: None
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Other
Is Structure Rusted through? No
Dimensions of Structure: Length 16.5 ft. Width 54.7 ft. Height 14 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 1 ft. below the surface (via Flow Meter).
Additional Comments
Updated by Huron Pines. L. Schmock, N. Theisen
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: 2.5 ft.
Bankfull Width: 23 ft.
Wetted Width: 16 ft.
Water Velocity: 0.9 ft./sec. (measured via Flow Meter)
Dominant Substrate: Clay – very fine particles that stick together
Road Information
Road Surface: Gravel
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: 14 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: 285 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.5 tons/year
Right Approach
Length: 255 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.43 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.93 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? No
Site Comments: Built 1950 by forest service and is still in good condition. Fully spans creek and doesn’t impede water flow. Options for "other" in structure section sekected because structure type is bridge.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.