Road Stream Crossing Site PM_N039

Pere Marquette River Watershed, McDuffee Creek tributary
Elm Rd
Barton Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.74349 , -85.64252
T16N R11W Sec 28
Owned by Private
Fish Passability 0.9
Total Erosion: 0.4233 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: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Poor
Dimensions of Structure: Length 18 ft. , Width 16 ft. , Height 3.5 ft.
Structure Inlet
Water Depth: 0.3 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Additional Comments
Bridge is in bad shape.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 6 ft.
Wetted Width: 5 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Slope: Vertical
Slope: Vertical
Left Approach
Length: 60 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.342
Erosion: 0.0961 tons/year
Right Approach
Length: 150 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.4
Erosion: 0.281 tons/year
Erosion Information
Total Erosion at Crossing: 0.4233 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Reaching Stream?
Right Approach
300 ft.
1 ft.
0.1 ft.
Left Approach
120 ft.
1 ft.
0.1 ft.
Summary Information
Fish Passability 0.9