Road Stream Crossing Site CLHW_OR-003
Ocqueoc River Watershed, Little Ocqueoc River
M-68
Ocqueoc Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.39616
, -84.02202
T35N
R3E
Sec 24
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.6972 tons/year
Severity: Minor
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: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft.
, Width 30 ft.
, Height 5.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.8 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: 1.75 ft.
Bankfull Width: 18 ft.
Wetted Width: 14 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Organics
Road Information
Paved
State Road
Road Condition: Poor
Road Width at Culvert: 37 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6972 tons/year
Erosion Information
Total Erosion at Crossing: 0.6972 tons/year
Summary Information
Fish Passability 1