Road Stream Crossing Site BL-74

Crooked River Watershed, Cedar Creek
Banwell
Springvale Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.388905 , -84.730045
T35N R03W Sec 31
Fish Passability 0
Total Erosion: 0.0426 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
2.79 ft.
70.33 ft.
3 ft.
Metal
2
2.79 ft.
70.33 ft.
3 ft.
Metal
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 70.33 ft. , Width 2.79 ft. , Height 3 ft.
Structure Inlet
Water Depth: 1.21 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.28 ft./sec.
Structure Outlet
Water Depth: 0.83 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.9 ft./sec.
*Water Velocities were measured 0.25 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 22 ft. , Width 15 ft. , Depth 3 ft.
Upstream Pond: Length 4 ft. , Width 9 ft.
Riffle Information
Water Depth: 0.75 ft.
Bankfull Width: 45 ft.
Wetted Width: 45 ft.
Water Velocity: 0.72 ft./sec. (Measured with Meter)
Dominant Substrate: Sand, Silt
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 20.17 ft.
Slope: 1:2
Downstream
Fill Depth: 20.17 ft.
Slope: 1:2
Approaches
Left Approach
Length: 100 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.38
Erosion: 0.0377 tons/year
Right Approach
Length: 100 ft.
Slope: Less than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.005 tons/year
Erosion Information
Total Erosion at Crossing: 0.0426 tons/year
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Spotted knapweed