Road Stream Crossing Site PM_N032
Pere Marquette River Watershed, McDuffee Creek
12 Mile Rd
Home Twp,
Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.72816
, -85.7038
T16N
R12W
Sec 35
Owned by Private
Fish Passability 0.9
Total Erosion: 0.1102 tons/year
Severity: Minor
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: Wood
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 20 ft.
, Width 21 ft.
, Height 5 ft.
Structure Inlet
Water Depth: 0.6 ft.
Water Velocity*: 1.7 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Water Velocity*: 1.8 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Additional Comments
bridge consists of concrete forms, metal beams and wooden road surface
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 11 ft.
Wetted Width: 11 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Roadway
Slope: Vertical
Slope: Vertical
Approaches
Left Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0551 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0551 tons/year
Erosion Information
Total Erosion at Crossing: 0.1102 tons/year
Summary Information
Fish Passability 0.9