Road Stream Crossing Site CLHW_OR-042
Ocqueoc River Watershed, Silver Creek
Spens Rd
Moltke Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.42583
, -83.98951
T35N
R4E
Sec 18
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 9.7106 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: Pipe Arch
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 43 ft.
, Width 6.5 ft.
, Height 3.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 13 ft.
Wetted Width: 9 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 681 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.809
Erosion: 8.1443 tons/year
Right Approach
Length: 478 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.496
Erosion: 1.5663 tons/year
Erosion Information
Total Erosion at Crossing: 9.7106 tons/year
Summary Information
Fish Passability 1