Road Stream Crossing Site EUP_6336447335
Carp River Watershed, Kneebone Creek
State Hwy 123
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.192738703,-85.018066066
T 044NN R 006W Sec 23
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.79 tons/year
Overall Score: 7
Severity: Minor
Date Inventoried: 4/22/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Site Sketch
Crossing Information*
Type of Crossing: Bridge
Number of Structures: 1
Structure Shape: Native Bottom Arch
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Light superficial corrosion or abrasion or chipping or spalling or cracking. No shape changes (described above).
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 43 ft. Width 20 ft. Height 5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured 1.3 ft. below the surface (via Flow Meter).
Additional Comments
Updated by Huron Pines. N. THEISEN. L. SCHMOCK
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: 1.2 ft.
Bankfull Width: 15 ft.
Wetted Width: 13.5 ft.
Water Velocity: 0.7 ft./sec. (measured via Float Test)
Dominant Substrate: Sand – particles are smaller than a pinhead and feel gritty between fingers
Road Information
Road Surface: Paved
Owner: State
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: 43 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: 1000 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.07 tons/year
Right Approach
Length: 900 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.72 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.79 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
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.