Road Stream Crossing Site PM_M022

Pere Marquette River Watershed, Carr Creek tributary
Masten Rd
Logan Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.87899 , -86.05895
T17N R15W Sec 11
Owned by Private
Total Erosion: 0.0249 tons/year
Severity: Minor
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: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 25 ft. , Width 6 ft. , Height 5 ft.
Structure Inlet
Water Depth: 1 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
recently re-dug channel stagnant
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Water Velocity: 0 ft./sec.
Dominant Substrate: Clay
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3 ft.
Slope: Vertical
Downstream
Fill Depth: 3 ft.
Slope: Vertical
Approaches
Left Approach
Length: 150 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0055 tons/year
Right Approach
Length: 150 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0055 tons/year
Erosion Information
Total Erosion at Crossing: 0.0249 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 Upstream Streambank
10 ft.
5 ft.
0.5 ft.
yes
Clay
0.0035
Left Downstream Streambank
10 ft.
5 ft.
0.5 ft.
yes
Clay
0.0035
Left Upstream Streambank
10 ft.
5 ft.
0.5 ft.
yes
Clay
0.0035
Right Downstream Streambank
10 ft.
5 ft.
0.5 ft.
yes
Clay
0.0035
Summary Information