Road Stream Crossing Site EUP_6337092399
Pine River Watershed, Black Creek
South Sweiger Creek Truck Trail
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.2782670130001,-84.874245431
T 045NN R 005W Sec 24
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.45 tons/year
Overall Score: 13
Severity: Minor
Date Inventoried: 5/12/2021
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: Sand
General Conditions: Moderate deterioration from corrosion or abrasion (small rust flakes or indication that rust is slightly deeper than the surface level) or cracking or spalling or chipping (few minor cracks or localized chipping in the concrete). OR minor shape changes (described above).
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 65 ft. Width 9 ft. Height 6.5 ft.
Percentage Plugged: 1% - 20% Inside
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 2 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.7 ft./sec.
Additional Comments
Updated by Huron Pines. L. Schmock, N. Theisen
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: 1.1 ft.
Bankfull Width: 13 ft.
Wetted Width: 10.6 ft.
Water Velocity: 0.8 ft./sec. (measured via Flow Meter)
Dominant Substrate: Sand – particles are smaller than a pinhead and feel gritty between fingers
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: 22.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 5 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 580 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.29 tons/year
Right Approach
Length: 360 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.16 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.45 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, Spotted Knapweed.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.