Road Stream Crossing Site EUP_6337451463
Pine River Watershed, Little Bear Creek
W. Teets Road
Chippewa County
Information collected by:
Superior Watershed Partnership
Site Location
GPS Coordinates: 46.186703858,-84.7169934679999
T 044NN R 003W Sec 29
Fish Passability: Barrier at High Flows
Structure is NOT Perched
Total Erosion: 0.41 tons/year
Date Inventoried: 6/24/2020
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Wingwall Greater than 70 degrees
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
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: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 39.8 ft. Width 12 ft. Height 7 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 5 ft.
Embedded Depth of Structure: 0.1 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 36 ft., Width 32 ft., Depth 5 ft.
Is Upstream Ponding Present? Yes
Pond: Length 40 ft., Width 45 ft.
Riffle Information
Water Depth: 3 ft.
Bankfull Width: 9.4 ft.
Wetted Width: 11.2 ft.
Water Velocity: 0.833 ft./sec. (measured via Float Test)
Dominant Substrate: Organics – decomposing plant material
Road Information
Road Surface: Paved
Owner: Township
Road Condition: New Pavement or Well Graded, Same condition as initial placement.
Road Width at Culvert: 26 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 1 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 620 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.28 tons/year
Right Approach
Length: 320 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.13 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.41 tons/year
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Extent of Erosion | Estimated Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | ||
Right Downstream Embankment1 | 2 ft. | 2 ft. | 0.7 ft. | Yes | Gravel | Minor (corrective actions recommended) | 0 |
1Gravel in place, but has started to erode after heavy rains
Summary Information
Fish Passability: Barrier at High Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
Site Comments: While there is pooling around culvert, bank armouring is in place and fish should be able to pass through.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.