Road Stream Crossing Site PM_M019

Pere Marquette River Watershed, inlet tributary to Big South Branch
Masten Rd
Logan Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 43.85444 , -86.05858
T17N R15W Sec 23
Owned by Private
Fish Passability 0.5
Total Erosion: 0.0208 tons/year
Severity: Moderate
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: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 23 ft. , Width 10 ft. , Height 4.5 ft.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
dry
Stream Information
Stream Flow: None
Riffle Information
Water Depth: 0 ft.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Approaches
Left Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0104 tons/year
Right Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0104 tons/year
Erosion Information
Total Erosion at Crossing: 0.0208 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5