Road Stream Crossing Site MAN_KA_023

Big Manistee River Watershed, Sands Creek
County Rd 571
Oliver Twp, Kalkaska County
Information collected by:
Site Location
GPS Coordinates: 44.67723 , -85.05362
T26N R6W Sec 5
Owned by Private
Structure is NOT Perched
Total Erosion: 0.9421 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: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 44 ft. , Width 2.2 ft. , Height 2.2 ft.
Percentage Plugged: Inlet: 1% to 25% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.8 ft. below Surface (with Meter)
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: 0.8 ft.
Bankfull Width: 8 ft.
Wetted Width: 6 ft.
Water Velocity: 0.2 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4711 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4711 tons/year
Erosion Information
Total Erosion at Crossing: 0.9421 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.

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