Road Stream Crossing Site ST150

Sturgeon River Watershed, Sturgeon River tributary
East Sturgeon Valley Rd
Corwith Twp, Otsego County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.1412 , -84.5752
T32N R02W Sec 29
Owned by Private
State
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.3754 tons/year
Severity: Minor
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: 2
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
2
2.7 ft.
45.5 ft.
2.7 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 45.5 ft. , Width 2.8 ft. , Height 20 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 21 ft. , Width 18 ft. , Depth 1.9 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 10 ft.
Wetted Width: 8.6 ft.
Water Velocity: 0.66 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved State Road
Road Condition: Good
Road Width at Culvert: 25.3 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: 1:2
Downstream
Fill Depth: 3.2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 814 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.551
Erosion: 0.3754 tons/year
Erosion Information
Total Erosion at Crossing: 0.3754 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. To monitor size of scour pool
These non-native species were observerd at this site: Spotted knapweed