Road Stream Crossing Site BL-81
Crooked River Watershed, Crooked River
River Rd
Alanson,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.440024
, -84.785743
T35N
R03W
Sec 10
Owned by Local Government
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.0226 tons/year
Severity: Minor
Year Inventoried: 2014
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Dimensions of Structure: Length 15.67 ft.
, Width 53.5 ft.
, Height 10 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 5.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.27 ft./sec.
Structure Outlet
Water Depth: 5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.42 ft./sec.
*Water Velocities were measured 4.5 ft. below Surface
(with Meter)
Additional Comments
Swing Bridge (old CRA site CRR-E-5)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 5.5 ft.
Bankfull Width: 37 ft.
Wetted Width: 28 ft.
Water Velocity: 0.33 ft./sec.
(Measured with Meter)
Road Information
Paved
Town Road
Road Condition: Good
Road Width at Culvert: 37 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: More than 1:2
Fill Depth: 0 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0.0031 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.32
Erosion: 0.0196 tons/year
Erosion Information
Total Erosion at Crossing: 0.0226 tons/year
Summary Information
Fish Passability 1