Road Stream Crossing Site CLHW_OR-005
Ocqueoc River Watershed, Ocqueoc River
River Rd
Ocqueoc Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.38913
, -84.05913
T35N
R3E
Sec 27
Owned by State
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 3.1939 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: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 38.5 ft.
, Width 46 ft.
, Height 11.3 ft.
Percentage Crushed:
Inlet: 1% to 25%
Outlet: 1% to 25%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 62.4 ft.
, Width 30.2 ft.
, Depth 3.15 ft.
Riffle Information
Water Depth: 1.2 ft.
Bankfull Width: 29 ft.
Wetted Width: 23 ft.
Water Velocity: 2.6 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 18.7 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: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.2576 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 2.9364 tons/year
Erosion Information
Total Erosion at Crossing: 3.1939 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. To survey bridge structual condition