Road Stream Crossing Site EUP_MCW28
Les Cheneaux Islands Watershed, Albany Creek
M48
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 45.9983498,-84.0720672
T 042N R 003 Sec 33
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0.1 tons/year
Overall Score: 9
Severity: Minor
Date Inventoried: 5/26/2021
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: 2
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
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.
Additional (Multiple) Structures | ||||
Structure | Width | Length | Height | Material |
1 | 7.5 ft. | 74 ft. | 7.6 ft. | Concrete |
2 | 7.5 ft. | 74 ft. | 7.6 ft. | Concrete |
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 74 ft. Width 17.5 ft. Height 7.6 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*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 1.2 ft. below the surface (via Flow Meter).
Stream Information
Stream Flow: = Bankfull – Water has completely filled the stream channel, but is not flowing onto the floodplain.
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: 2.8 ft.
Bankfull Width: 13.2 ft.
Wetted Width: 10 ft.
Water Velocity: 0.1 ft./sec. (measured via Flow Meter)
Dominant Substrate: Silt – very fine particles that don't stick together
Road Information
Road Surface: Paved
Owner: State
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
Road Core Integrity: Good (no symptoms of lack of integrity)
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 8 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 1000 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.05 tons/year
Right Approach
Length: 1000 ft.
Slope: < 1%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.05 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.1 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.
Site Comments: Barrier due to beaver dams up and downstream
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.