Road Stream Crossing Site EUP_Dafter 4
Waishkey River Watershed, Unknown
UnNamed Rd
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.30561,-84.5078073
T 045N R 002 Sec 12
Fish Passability: Not a Barrier
Structure is NOT Perched
Total Erosion: 0 tons/year
Overall Score: 15
Severity: Moderate
Date Inventoried: 10/7/2021
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: Mixture
General Conditions: Moderate to major deterioration from corrosion or abrasion (less than 5% of the structure has small holes or is nearly rusted through) or cracking or spalling or chipping (several small cracks or moderate chipping in the concrete). OR Moderate shape changes (described above).
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 20 ft. Width 2.5 ft. Height 2.5 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the surface (via Float Test).
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: 0.5 ft.
Bankfull Width: 2.5 ft.
Wetted Width: 2 ft.
Water Velocity: 0.1 ft./sec. (measured via Float Test)
Dominant Substrate: Silt – very fine particles that don't stick together
Road Information
Road Surface: Gravel
Owner: State
Manager: DNR Forest Resources Division
Road Condition: Broken Pavement or Rilled/Gullied, Multiple patches, cracks, rilling, or gullies at crossing.
Road Core Integrity: Fair (some of the symptoms may be present, but not to an extent posing high risk to the crossing)
Road Width at Culvert: 9 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 4 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 0 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0 tons/year
Right Approach
Length: 0 ft.
Slope: 1-5%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0 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? No
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.