Road Stream Crossing Site P084

Pine River Watershed, North Branch Pine River
20 Mile Rd
Burdell Twp, Osceola County
Information collected by:
Site Location
GPS Coordinates: 44.10353 , -85.52836
T20N R10W Sec 20
Owned by Private
Structure is NOT Perched
Total Erosion: 0.3306 tons/year
Severity: Restored
Year Inventoried: 2014
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Arch
Inlet Type: Apron
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 67 ft. , Width 42 ft. , Height 21 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5 ft./sec.
Structure Outlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 ft./sec.
*Water Velocities were measured 1 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 ft.
Bankfull Width: 38 ft.
Wetted Width: 30 ft.
Water Velocity: 2.5 ft./sec. (Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 40 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4.7 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4.3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.3306 tons/year
Erosion Information
Total Erosion at Crossing: 0.3306 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.