Road Stream Crossing Site PM_N011

Pere Marquette River Watershed, McDuffee Creek
14 Mile Rd
Home Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.7568625858746 , -85.7450663298368
T16N R12W Sec 21
Owned by Private
Total Erosion: 0.0882 tons/year
Severity: Restored
Year Inventoried: 2014
Inlet
Outlet
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: Wood
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 16 ft. , Width 38 ft. , Height 5.5 ft.
Structure Inlet
Water Depth: 1 ft.
Water Velocity*: 1.9 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Water Velocity*: 1.4 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Additional Comments

Paved approaches

Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 12 ft.
Wetted Width: 12 ft.
Water Velocity: 2.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 16 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: 0.0441 tons/year
Right Approach
Length: 200 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0441 tons/year
Erosion Information
Total Erosion at Crossing: 0.0882 tons/year
Extent of Erosion: Minor
Summary Information
Erosion is an area of concern for this site.