Road Stream Crossing Site CLHW_OR-023

Ocqueoc River Watershed, Unnamed stream
Orcut Rd
Case Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.3666 , -84.07224
T34N R3E Sec 4
Owned by Private
Structure is NOT Perched
Total Erosion: 4.035 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: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: New
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2 ft.
30.5 ft.
2 ft.
Metal
2
2 ft.
30.5 ft.
2 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 30.5 ft. , Width 2 ft. , Height 2 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Stream Information
Stream Flow: None
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 327 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.465
Erosion: 0.8385 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.1405 tons/year
Erosion Information
Total Erosion at Crossing: 4.035 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: May be able to add riprap to control erosion.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Embankment
3.2 ft.
1.5 ft.
2.5 ft.
yes
Gravel
0.056
Summary Information