Road Stream Crossing Site ST094
Sturgeon River Watershed, Sturgeon River tributary
East Sturgeon Valley Rd
Corwith Twp,
Otsego County
Information collected by:
Site Location
GPS Coordinates: 45.14612
, -84.561939
T32N
R02W
Sec 21
Owned by Private
State
State
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.1928 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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 35.1 ft.
, Width 3.4 ft.
, Height 2.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Additional Comments
Very little water flow
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 11 ft.
, Width 6.9 ft.
, Depth 0.9 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 3.9 ft.
Wetted Width: 3.5 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Silt
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 22.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.2 ft.
Slope: 1:2
Downstream
Fill Depth: 3 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 515.2 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.503
Erosion: 0.1928 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: 0.1928 tons/year
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Spotted knapweed, Reed canary grass