Road Stream Crossing Site CLHW_OR-031

Ocqueoc River Watershed, Silver Creek
Merchant Rd
Ocqueoc Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.45211 , -84.03677
T36N R3E Sec 35
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 9.3909 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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft. , Width 3 ft. , Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 9 ft.
Wetted Width: 6 ft.
Water Velocity: 0.8 ft./sec. (Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 16 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 190 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.424
Erosion: 0.3551 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 9.0358 tons/year
Erosion Information
Total Erosion at Crossing: 9.3909 tons/year
Summary Information
Fish Passability 0.5