Road Stream Crossing Site EUP_PRW11
Pine River Watershed
Bear Creek Road
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.2012221,-84.6999948
T 044N R 003 Sec 17
Fish Passability: Barrier
Perch Height: 0.5 ft.
Total Erosion: 3.72 tons/year
Overall Score: 29
Severity: Severe
Date Inventoried: 4/14/2021
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Not new, but no noticeable corrosion, abrasion, chipping, spalling, or cracking. No shape changes such as barrel distortion (bowing, bending, warping), bulging, inlet or outlet damaged.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 48 ft. Width 3 ft. Height 3 ft.
Percentage Plugged: 1% - 20% Inlet
Percentage Crushed: None or 0%
Perch Height: 0.5 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.4 ft./sec.
*Water Velocities were measured 0.1 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? Yes
Scour Pool: Length 12 ft., Width 8 ft., Depth 2 ft.
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 7 ft.
Wetted Width: 3.4 ft.
Water Velocity: 1 ft./sec. (measured via Flow Meter)
Dominant Substrate: Gravel – rocks between the size of a pinhead and a baseball
Road Information
Road Surface: Gravel
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: 17 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.5 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: 180 ft.
Slope: 6-10%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 1 tons/year
Right Approach
Length: 385 ft.
Slope: 6-10%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 2.72 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 3.72 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
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.