Road Stream Crossing Site PM_L051

Pere Marquette River Watershed, Baker Creek
56th St
Yates Twp, Lake County
Information collected by:
Site Location
GPS Coordinates: 43.887605 , -85.73234
T17N R12W Sec 3
Owned by Private
Structure is NOT Perched
Total Erosion: 0.2727 tons/year
Severity: Restored
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: Open Bottom Arch
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft. , Width 16.16 ft. , Height 5.1 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.8 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Additional Comments

replaced in 2012 with USFS ARRA, USFWS, PMWC and LCRC funds/match

Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.9 ft.
Bankfull Width: 20 ft.
Wetted Width: 7 ft.
Water Velocity: 2.6 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.55
Erosion: 0.1364 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.55
Erosion: 0.1364 tons/year
Erosion Information
Total Erosion at Crossing: 0.2727 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.

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