Road Stream Crossing Site ST009

Sturgeon River Watershed, Little Sturgeon River
Afton Rd
Ellis Twp, Cheboygan County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.323759 , -84.562841
T34N R02W Sec 21
Owned by Private
State
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.1422 tons/year
Severity: Severe
Year Inventoried: 2015
Site ID
Inlet
Outlet
Downstream Conditions
Upstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Mitered
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 88.9 ft. , Width 3.7 ft. , Height 3.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
*Water Velocities were measured 0.2 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: 0.9 ft.
Bankfull Width: 9.5 ft.
Wetted Width: 8.9 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 33.6 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 9.3 ft.
Slope: 1:2
Downstream
Fill Depth: 11.2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 282.6 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.453
Erosion: 0.1422 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.1422 tons/year
Summary Information
Fish Passability 0
Erosion is an area of concern for this site.
A future visit to this site is recommended. Size of culvert

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