Road Stream Crossing Site CLHW_OR-030
Ocqueoc River Watershed, Silver Creek
N Silver Creek Rd
Ocqueoc Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.43945
, -84.04723
T35N
R3E
Sec 2
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.9956 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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 36 ft.
, Width 8 ft.
, Height 5.2 ft.
Percentage Crushed:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0.2 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
Scour Pool: Length 45 ft.
, Width 32 ft.
, Depth 4 ft.
Upstream Pond: Length 18 ft.
, Width 20 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 1.2 ft.
Bankfull Width: 26 ft.
Wetted Width: 21 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Float Test)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 364 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.473
Erosion: 0.9956 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: 0.9956 tons/year
Summary Information
Fish Passability 0.9