Road Stream Crossing Site Boyne_BV-4

Lake Charlevoix Watershed, Boyne River North Branch
Denise Road
Charlevoix County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.1727242636406 , -84.8866644643428
Fish Passability 0
Total Erosion: 0.4909 tons/year
Severity: Severe
Year Inventoried: 2015
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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
7 ft.
37 ft.
6 ft.
Metal
2
7 ft.
37 ft.
3.5 ft.
Metal
3
7 ft.
37 ft.
3.5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 37 ft. , Width 7 ft. , Height 6 ft.
Percentage Crushed: In Pipe: 1% to 25%
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.33 ft.
Water Velocity*: 1.4 ft./sec.
Structure Outlet
Water Depth: 1.11 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 3.25 ft./sec.
*Water Velocities were measured 1.8 ft. below Surface (with Meter)
Riffle Information
Water Depth: 1.7 ft.
Bankfull Width: 22.5 ft.
Wetted Width: 22 ft.
Water Velocity: 1.4 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:2
Downstream
Fill Depth: 1 ft.
Slope: 1:2
Approaches
Left Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.39
Erosion: 0.2901 tons/year
Right Approach
Length: 75 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.36
Erosion: 0.2008 tons/year
Erosion Information
Total Erosion at Crossing: 0.4909 tons/year
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.