Road Stream Crossing Site CLHW_SC-002
Schmidt Creek Watershed, Schmidt Creek
Highway 646
Rogers Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.47631
, -83.93886
T36N
R4E
Sec 27
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.6199 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: Gravel
General Conditions: Fair
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 60 ft.
, Width 5.5 ft.
, Height 6 ft.
Percentage Plugged:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 2.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 33 ft.
, Width 19 ft.
, Depth 4.2 ft.
Upstream Pond: Length 10 ft.
, Width 12 ft.
, Depth 2.3 ft.
Riffle Information
Water Depth: 1.6 ft.
Bankfull Width: 20 ft.
Wetted Width: 16 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 355 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.472
Erosion: 0.3799 tons/year
Right Approach
Length: 250 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.32
Erosion: 0.24 tons/year
Erosion Information
Total Erosion at Crossing: 0.6199 tons/year
Summary Information
Fish Passability 0.9