Road Stream Crossing Site TBW_TBMO199

Thunder Bay River Watershed, Unnamed
Voyer Lake Road
Montmorency Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.12345 , -84.05335
T32N R3E Sec 34
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 20.9129 tons/year
Severity: Severe
Year Inventoried: 2017
Site ID
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 55 ft. , Width 3.9 ft. , Height 3.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.25 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 0.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.8 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 4.5 ft.
Wetted Width: 3 ft.
Water Velocity: 0.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 2.8 ft.
Slope: More than 1:2
Fill Depth: 2.9 ft.
Slope: More than 1:2
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 12.4242 tons/year
Right Approach
Length: 750 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.868
Erosion: 8.4886 tons/year
Erosion Information
Total Erosion at Crossing: 20.9129 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. WATER DEPTH IN CULVERT
These non-native species were observerd at this site: Reed Canary Grass and Spotted Knapweed