Road Stream Crossing Site ST135
Sturgeon River Watershed, West Branch Sturgeon River
Lewis Rd
Corwith Twp,
Otsego County
Information collected by:
Site Location
GPS Coordinates: 45.161683
, -84.7143
T32N
R03W
Sec 18
Owned by Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 0.3357 tons/year
Severity: Severe
Year Inventoried: 2015
Site ID
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: Round
Inlet Type: Projecting
Outlet Type: Freefall onto Riprap
Structure Material: Plastic
Structure Substrate: None
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 51 ft.
, Width 2.1 ft.
, Height 2.1 ft.
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.35 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 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: 0.25 ft.
Bankfull Width: 5.5 ft.
Wetted Width: 3.2 ft.
Water Velocity: 0.3 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Gravel
State Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 5.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 160 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.448
Erosion: 0.3357 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.3357 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Perched culvert
A future visit to this site is recommended. Perched