Road Stream Crossing Site PM_M030
Pere Marquette River Watershed, Weldon Creek
Jack Pine Rd
Branch Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.962573
, -86.094869
T18N
R15W
Sec 10
Owned by Private
Total Erosion: 0.3015 tons/year
Severity: Moderate
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft.
, Width 6 ft.
, Height 4.5 ft.
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 22 ft.
Wetted Width: 20 ft.
Water Velocity: 0.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4 ft.
Slope: 1:1.5
Downstream
Fill Depth: 4 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 75 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.9
Erosion: 0.0536 tons/year
Right Approach
Length: 240 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 1.302
Erosion: 0.2479 tons/year
Erosion Information
Total Erosion at Crossing: 0.3015 tons/year
Extent of Erosion: Minor
Summary Information
Erosion is an area of concern for this site.