Road Stream Crossing Site MAN_MA_044

Big Manistee River Watershed, Unknown (tributary to Pine Creek)
Stronarch Dam Rd
Norman Twp, Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.21461 , -85.95065
T21 R14 Sec 13
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 2.8212 tons/year
Severity: Severe
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft. , Width 4.5 ft. , Height 3.2 ft.
Percentage Plugged: Inlet: 51% to 75% Outlet: 0% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 1 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: 11.3 ft.
Wetted Width: 9.6 ft.
Water Velocity: 0.6 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Good
Road Width at Culvert: 19 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 700 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.535
Erosion: 1.9602 tons/year
Right Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.47
Erosion: 0.861 tons/year
Erosion Information
Total Erosion at Crossing: 2.8212 tons/year
Summary Information
Fish Passability 0.5

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