Road Stream Crossing Site BEAR_BC011

Bear Creek Watershed, First Creek
Yates Rd (County Rd 597)
Cleon Twp, Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.47415 , -85.91871
T24N R13W Sec 18
Owned by Private
Local Government
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.3808 tons/year
Severity: Minor
Year Inventoried: 2011
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 30 ft. , Width 10 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.06 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 0.63 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
*Water Velocities were measured 0.38 ft. below Surface (with Meter)
Additional Comments
Sand accumulation is present at the outlet due to metal debris on streambed inhibiting proper flow. *Severe rust is present on the supportive beams of the under side of bridge.
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.5 ft.
Bankfull Width: 10.1 ft.
Wetted Width: 7.6 ft.
Water Velocity: 1.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 27 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 768 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.545
Erosion: 0.3737 tons/year
Right Approach
Length: 159 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0071 tons/year
Erosion Information
Total Erosion at Crossing: 0.3808 tons/year
Summary Information
Fish Passability 1
A future visit to this site is recommended. To assess structural integrity

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