Road Stream Crossing Site CLHW_OR-025
Ocqueoc River Watershed, Ocqueoc River
Orcut Rd
Case Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.36646
, -84.0769
T34N
R3E
Sec 4
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 4.7224 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: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: New
Structure Interior: smooth
Dimensions of Structure: Length 34 ft.
, Width 39 ft.
, Height 7.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.6 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 2.6 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Upstream Pond: Length 76 ft.
, Width 34 ft.
, Depth 1.2 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 38 ft.
Wetted Width: 30 ft.
Water Velocity: 1.3 ft./sec.
(Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 312 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.462
Erosion: 0.9538 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.7686 tons/year
Erosion Information
Total Erosion at Crossing: 4.7224 tons/year
Summary Information
Fish Passability 0.5