Road Stream Crossing Site TBW_TBMO03

Thunder Bay River Watershed, Thunder Bay River
Hossler Road
Briley Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.97216 , -84.21803
T30N R2E Sec 20
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 3.646 tons/year
Severity: Severe
Year Inventoried: 2017
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 3
Structure Shape: Ellipse
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6 ft.
24 ft.
3.6 ft.
Metal
2
6 ft.
24 ft.
3.6 ft.
Metal
3
6 ft.
24 ft.
3.6 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 24 ft. , Width 6 ft. , Height 3.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.6 ft./sec.
Structure Outlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Scour Pool: Length 30 ft. , Width 30 ft. , Depth 3 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 33 ft.
Wetted Width: 31 ft.
Water Velocity: 3.5 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: Vertical
Downstream
Fill Depth: 0.8 ft.
Slope: Vertical
Approaches
Left Approach
Length: 197 ft.
Slope: 1% to 5%
Vegetation: None
LS Factor: 0.566
Erosion: 0.7369 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: None
LS Factor: 0.88
Erosion: 2.9091 tons/year
Erosion Information
Total Erosion at Crossing: 3.646 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0