Road Stream Crossing Site EUP_6337397287
Pine River Watershed, Trout Brook
W. H40
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.20843763,-84.6996528189999
T 044NN R 003W Sec 17
Fish Passability: Barrier at Most Flows
Structure is NOT Perched
Date Inventoried: 6/24/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
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 87 ft. Width 8 ft. Height 7 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.49 ft./sec.
Structure Outlet
Water Depth: 3.5 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
Stream Information
Stream Flow: > Bankfull – Water has filled the stream channel and is flowing onto the floodplain.
Is Scour Pool Present? Yes
Scour Pool: Length 12 ft., Width 18 ft., Depth 4 ft.
Is Upstream Ponding Present? Yes
Pond: Length 14 ft., Width 6 ft.
Riffle Information
Water Depth: 4.5 ft.
Bankfull Width: 6 ft.
Wetted Width: 7 ft.
Water Velocity: 1.25 ft./sec. (measured via Float Test)
Dominant Substrate: Organics – decomposing plant material
Road Information
Road Surface: Paved
Owner: State
Road Condition: New Pavement or Well Graded, Same condition as initial placement.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 8 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 11 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 530 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Erosion Information
Summary Information
Fish Passability: Barrier at Most Flows
Is a future visit to this site recommended? Yes, Fish passage.
Were any non-native species observerd at this site? No
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.