Road Stream Crossing Site CLHW_OR-009

Ocqueoc River Watershed, Ocqueoc River Floodwaters
W 634 Hwy
Bismarck Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.22895 , -83.9488
T33N R4E Sec 28
Owned by State
Structure is NOT Perched
Total Erosion: 0.133 tons/year
Severity: Moderate
Year Inventoried: 2016
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 21.5 ft. , Width 5 ft. , Height 3.6 ft.
Percentage Crushed: Inlet: 1% to 25% Outlet: 1% to 25% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
Flooding/wetland area; not in river form anymore; no riffle available
Stream Information
Stream Flow: Less than Bankfull
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 17 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: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.133 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Caused by rainfall and crowned roadway; could possibly build headwall
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Downstream Embankment
2.5 ft.
2 ft.
3 ft.
yes
Gravel
0.0525
Left Downstream Embankment
5 ft.
2.5 ft.
2.3 ft.
yes
Gravel
0.0805
Summary Information