Road Stream Crossing Site EUP_CHRW41
Charlotte River Watershed, Unnamed
W 16th Avenue
Chippewa County
Information collected by:
Site Location
GPS Coordinates: 46.4824392,-84.4005029
T 047N R 001 Sec 11
Fish Passability: Barrier
Perch Height: 0.2 ft.
Total Erosion: 1.42 tons/year
Overall Score: 24
Severity: Severe
Date Inventoried: 6/24/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Plastic
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.
Additional (Multiple) Structures | ||||
Structure | Width | Length | Height | Material |
1 | 3 ft. | 40 ft. | 3 ft. | Plastic |
2 | 3 ft. | 40 ft. | 3 ft. | Plastic |
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 40 ft. Width 3 ft. Height 3 ft.
Percentage Plugged: 1% - 20% Inlet
Percentage Crushed: None or 0%
Perch Height: 0.2 ft.
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured at the surface (via Flow Meter).
Additional Comments
Buried lines, overhead lines
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: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (measured via Flow Meter)
Dominant Substrate: Sand – particles are smaller than a pinhead and feel gritty between fingers
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: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.1 ft.
Slope: Gentle, 3:1, 15°, or 33%
Downstream
Fill Depth: 0.8 ft.
Slope: Gentle, 3:1, 15°, or 33%
Approaches
Left Approach
Length: 175 ft.
Slope: 6-10%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 1.42 tons/year
Right Approach
Length: 0 ft.
Slope: 6-10%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 1.42 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
Site Comments: Representative reach not taken because upstream impacted by 2 crossings, atv and railroad,about 200' upstream. Downstream is a constructed ditch impacted by several driveways.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.