Road Stream Crossing Site UBR_LR00.5

Upper Black River Watershed, Little Rainy River
1 Mile Hwy
Allis Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.33967 , -84.154701
T34N R2E Sec 11, 14
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.2695 tons/year
Severity: Minor
Year Inventoried: 2014
Site ID
Inlet
Upstream Conditions
Downstream Conditions
Road Approach - Right
Road Approach - Left
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 29 ft. , Width 17 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 1 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: 1.8 ft.
Bankfull Width: 13 ft.
Wetted Width: 10 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 14 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: 972 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.567
Erosion: 0.2552 tons/year
Right Approach
Length: 620 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0143 tons/year
Erosion Information
Total Erosion at Crossing: 0.2695 tons/year
Summary Information
Fish Passability 1