Road Stream Crossing Site PM_N005

Pere Marquette River Watershed, Pease Creek
Pine Ave
Home Twp, Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.7963294964797 , -85.6827431917191
T16N R12W Sec 12
Owned by Private
Total Erosion: 0.6429 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: Round
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 31 ft. , Width 3 ft. , Height 3 ft.
Structure Inlet
Water Depth: 1.2 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Additional Comments

Inlet is much older than outlet, head-wall is falling apart. 200ft? Upstream is a culvert on private property draining a flooded area. Several Brook Trout living in scour pool. Land is owned by Grass Lake Hunt/Fish Club.

Stream Information
Stream Flow: Bankfull
Scour Pool: Length 17 ft. , Width 10 ft. , Depth 2.8 ft.
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 13 ft.
Wetted Width: 13 ft.
Water Velocity: 1.1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Poor
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2.2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 120 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.388
Erosion: 0.218 tons/year
Right Approach
Length: 210 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.432
Erosion: 0.4249 tons/year
Erosion Information
Total Erosion at Crossing: 0.6429 tons/year
Extent of Erosion: Minor
Notes:

Road sides are banked.

Summary Information
Erosion is an area of concern for this site.

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