Road Stream Crossing Site BEAR_BC015

Bear Creek Watershed, Second Creek
Thompsonville Rd
Cleon Twp, Manistee County
Information collected by:
Site Location
GPS Coordinates: 44.46802 , -85.93546
T24N R13W Sec 19
Owned by State
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.0317 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: Open Bottom Square/Rectangle
Inlet Type: Wingwall 30-70 Degree
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 40 ft. , Width 8 ft. , Height 5.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.86 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 1.58 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.95 ft. below Surface (with Meter)
Additional Comments
Immediate to the crossing, 126 ft of the left approached is paved and 200 ft of the Right approach is paved
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.75 ft.
Bankfull Width: 15 ft.
Wetted Width: 14 ft.
Water Velocity: 2.7 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.2 ft.
Slope: 1:1
Downstream
Fill Depth: 3.2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 300 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0119 tons/year
Right Approach
Length: 500 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0198 tons/year
Erosion Information
Total Erosion at Crossing: 0.0317 tons/year
Extent of Erosion: Minor
Notes: Upstream and Downstream embankment due to foot traffic and erosion from gravel section of road. Revegetation is recommended.
Summary Information
Fish Passability 1
A future visit to this site is recommended. Revegetation is necessary
These non-native species were observerd at this site: Knapweed