Road Stream Crossing Site Jordan_CHX-8

Lake Charlevoix Watershed, Green River
M-66
Antrim County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.0005952503212 , -85.0630167903409
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.4364 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: 1
Structure Shape: Open Bottom Square/Rectangle
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Dimensions of Structure: Length 49 ft. , Width 13.6 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 9.4 ft./sec.
Structure Outlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 9.4 ft./sec.
*Water Velocities were measured 0.25 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 1.79 ft.
Bankfull Width: 21 ft.
Wetted Width: 20.33 ft.
Water Velocity: 2.2 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 40 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.4231 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0132 tons/year
Erosion Information
Total Erosion at Crossing: 0.4364 tons/year
Extent of Erosion: Minor
Notes: pretty insignificant
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. very fast flow- dam 100 feet upstream