Road Stream Crossing Site TBW_TBMO197

Thunder Bay River Watershed, Sucker Creek
Thunder Aalley
Hillman Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.042 , -83.94792
T31N R4E Sec 33
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.4263 tons/year
Severity: Moderate
Year Inventoried: 2017
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 42 ft. , Width 3 ft. , Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
*Water Velocities were measured 0.9 ft. below Surface (with Meter)
Additional Comments
RIFFLE NOT SAFELY ACCESSIBLE (USED RIFFLE DATA FROM TBMO196)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 32 ft. , Width 19 ft. , Depth 3.5 ft.
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 16 ft.
Wetted Width: 14 ft.
Water Velocity: 1.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 15 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 129 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.392
Erosion: 0.2087 tons/year
Right Approach
Length: 132 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.393
Erosion: 0.2143 tons/year
Erosion Information
Total Erosion at Crossing: 0.4263 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Upstream Embankment
1.5 ft.
2 ft.
2.5 ft.
yes
Loam
0.0033
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. SCOURING
These non-native species were observerd at this site: Queen Anne's Lace