Road Stream Crossing Site P128

Pine River Watershed, Pine River
State Rd
Newkirk Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 44.11231 , -85.68312
T20N R12W Sec 24
Owned by Private
Structure is NOT Perched
Total Erosion: 1.2773 tons/year
Severity: Moderate
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 30 ft. , Width 120 ft. , Height 14.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.5 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: 2.5 ft.
Bankfull Width: 45 ft.
Wetted Width: 40 ft.
Water Velocity: 3 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 800 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.91
Erosion: 1.2628 tons/year
Right Approach
Length: 350 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0145 tons/year
Erosion Information
Total Erosion at Crossing: 1.2773 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.