Road Stream Crossing Site TBW_TBMO190

Thunder Bay River Watershed, Brush Creek
Voyer Lake Road
Hillman Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.09689 , -84.05254
T31N R3E Sec 10
Fish Passability 0
Structure is NOT Perched
Total Erosion: 4.6617 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Rock
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 55 ft. , Width 4.2 ft. , Height 4.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 4 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 4.7 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 38 ft. , Width 25 ft. , Depth 4.5 ft.
Riffle Information
Water Depth: 1.6 ft.
Bankfull Width: 13 ft.
Wetted Width: 13 ft.
Water Velocity: 1.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Fill Depth: 1.8 ft.
Slope: More than 1:2
Fill Depth: 2.3 ft.
Slope: More than 1:2
Left Approach
Length: 313 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.463
Erosion: 0.9972 tons/year
Right Approach
Length: 360 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.478
Erosion: 3.6645 tons/year
Erosion Information
Total Erosion at Crossing: 4.6617 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. VELOCITY
A future visit to this site is recommended. VELOCITY
These non-native species were observerd at this site: Queen Anne's Lace and Spotted Knapweed