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
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
Approaches
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 | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Approach |
300 ft. |
1 ft. |
0.1 ft. |
yes |
Sand |
0.033 |
Left Approach |
120 ft. |
1 ft. |
0.1 ft. |
yes |
Sand |
0.0132 |
Summary Information
Fish Passability 0.9