Road Stream Crossing Site UBR_RR05
Upper Black River Watershed, Rainy River
M-68
Allis Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.35739
, -84.16886
T34N
R2E
Sec 2
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.0175 tons/year
Severity: Moderate
Year Inventoried: 2014
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 57 ft.
, Width 116 ft.
, Height 25.8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.25 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 0.54 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.4 ft./sec.
*Water Velocities were measured 0.75 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 2.02 ft.
Bankfull Width: 39.5 ft.
Wetted Width: 26.2 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5088 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5088 tons/year
Erosion Information
Total Erosion at Crossing: 1.0175 tons/year
Summary Information
Fish Passability 0.5