Road Stream Crossing Site CLHW_OR-004

Ocqueoc River Watershed, Ocqueoc River
Ocqueoc Falls Hwy
Ocqueoc Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.39543 , -84.05779
T35N R3E Sec 22
Owned by State
Fish Passability 0
Structure is NOT Perched
Total Erosion: 1.6632 tons/year
Severity: Severe
Year Inventoried: 2016
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
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: Rock
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 22 ft. , Width 50 ft. , Height 10.5 ft.
Percentage Crushed: Inlet: 1% to 25% Outlet: 1% to 25% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.6 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.6 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 44 ft.
Wetted Width: 36 ft.
Water Velocity: 3.9 ft./sec. (Measured with Float Test)
Dominant Substrate: Bedrock
Road Information
Paved County Road
Road Condition: Poor
Road Width at Culvert: 20 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: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.3554 tons/year
Right Approach
Length: 325 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.433
Erosion: 0.3078 tons/year
Erosion Information
Total Erosion at Crossing: 1.6632 tons/year
Summary Information
Fish Passability 0