Road Stream Crossing Site PM_N059

Pere Marquette River Watershed, Cedar Creek
Bingham Ave
Lilley Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.80893 , -85.85325
T16N R13W Sec 3
Owned by Private
Fish Passability 0.9
Total Erosion: 0.5612 tons/year
Severity: Moderate
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 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Mixture
General Conditions: Poor
Dimensions of Structure: Length 16 ft. , Width 20 ft. , Height 2 ft.
Structure Inlet
Water Depth: 0.5 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
Bridge top is in bad condition.
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 7 ft.
Wetted Width: 7 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road (Seasonal)
Road Condition: Poor
Road Width at Culvert: 10 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Left Approach
Length: 280 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.452
Erosion: 0.3487 tons/year
Right Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.1653 tons/year
Erosion Information
Total Erosion at Crossing: 0.5612 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Reaching Stream?
Right Approach
150 ft.
2 ft.
0.1 ft.
Left Approach
280 ft.
2 ft.
0.1 ft.
Summary Information
Fish Passability 0.9