Road Stream Crossing Site BL-80
Crooked River Watershed, stormwater stream off Crooked River
Woodland Ave
Alanson,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.439885
, -84.785058
T35N
R03W
Sec 10
Fish Passability 0.5
Total Erosion: 0.0104 tons/year
Severity: Moderate
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
1.17 ft. |
135 ft. |
1.58 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 135 ft.
, Width 1.17 ft.
, Height 1.58 ft.
Structure Inlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0.17 ft.
Water Velocity*: 0.459 ft./sec.
Structure Outlet
Water Depth: 0.083 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.02 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
culvert directly upstream of swing bridge
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.25 ft.
Bankfull Width: 6 ft.
Wetted Width: 2.5 ft.
Water Velocity: 0.623 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel, Organics
Road Information
Paved
Other Road
Road Condition: Fair
Road Width at Culvert: 17.08 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Less than 1:2
Downstream
Approaches
Left Approach
Length: 50 ft.
Slope: Less than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0014 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.32
Erosion: 0.009 tons/year
Erosion Information
Total Erosion at Crossing: 0.0104 tons/year
Summary Information
Fish Passability 0.5