Road Stream Crossing Site BEAR_BC094

Bear Creek Watershed, Podunk Creek
High Bridge Rd (County Road 669)
Dickson Twp, Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.33137 , -86.0208
T22N R14W Sec 4
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.4302 tons/year
Severity: Moderate
Year Inventoried: 2011
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: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 80 ft. , Width 5 ft. , Height 3.75 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.24 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured 0.15 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.28 ft.
Bankfull Width: 8.4 ft.
Wetted Width: 6.6 ft.
Water Velocity: 0.9 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 32 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: 1:1
Downstream
Fill Depth: 7 ft.
Slope: 1:1
Approaches
Left Approach
Length: 672 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.531
Erosion: 0.3773 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0529 tons/year
Erosion Information
Total Erosion at Crossing: 0.4302 tons/year
Summary Information
Fish Passability 0.5