Road Stream Crossing Site EUP_Raber 4
Gogomain River Watershed
Chippewa County
Information collected by:
MiDNR
Site Location
GPS Coordinates: 46.108028,-84.0741658
T 043N R 003 Sec 20
Fish Passability: Barrier at Most Flows
Structure is NOT Perched
Total Erosion: 0 tons/year
Overall Score: 15
Severity: Moderate
Date Inventoried: 11/3/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 1
Structure Shape: Round
Outlet Type: At Stream Grade
Structure Material: Metal
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.
Structure Interior: Corrugated
Is Structure Rusted through? No
Dimensions of Structure: Length 24 ft. Width 1 ft. Height 1 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: 1 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the surface.
Stream Information
Stream Flow: None – The streambed is dry and there is no water flow.
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Road Information
Road Surface: Native Surface
Owner: State
Manager: DNR Forest Resources Division
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
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: 11 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 2 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 0 ft.
Slope: < 1%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0 tons/year
Right Approach
Length: 0 ft.
Slope: < 1%
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: Barrier at Most Flows
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.