Road Stream Crossing Site PM_N061

Pere Marquette River Watershed, Tank Creek
Bingham Ave
Lilley Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.7290809410953 , -85.8597978204489
T16N R13W Sec 33
Owned by Private
Total Erosion: 0.0761 tons/year
Severity: Minor
Year Inventoried: 2014
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 22 ft. , Width 25 ft. , Height 2 ft.
Structure Inlet
Water Depth: 1.2 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 1.2 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 18 ft.
Wetted Width: 18 ft.
Water Velocity: 0.7 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Ditch
Slope: Vertical
Slope: Vertical
Left Approach
Length: 240 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.438
Erosion: 0.0695 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0066 tons/year
Erosion Information
Total Erosion at Crossing: 0.0761 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.