Road Stream Crossing Site PM_L043
Pere Marquette River Watershed, Middle Branch
Frank Smith Rd
Chase Twp,
Lake County
Information collected by:
Site Location
GPS Coordinates: 43.88465
, -85.64233
T17N
R11W
Sec 8
Owned by Private
Fish Passability 0.9
Total Erosion: 0.7133 tons/year
Severity: Moderate
Year Inventoried: 2014
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 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Fair
Dimensions of Structure: Length 22 ft.
, Width 27 ft.
, Height 8 ft.
Structure Inlet
Water Depth: 1.8 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.6 ft.
Water Velocity*: 0 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: 1.4 ft.
Bankfull Width: 17 ft.
Wetted Width: 14 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Approaches
Left Approach
Length: 540 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.677
Erosion: 0.6586 tons/year
Right Approach
Length: 180 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.418
Erosion: 0.0547 tons/year
Erosion Information
Total Erosion at Crossing: 0.7133 tons/year
Summary Information
Fish Passability 0.9