Road Stream Crossing Site BL-82
Crooked River Watershed, Crooked River
M-68
Alanson,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.443479
, -84.784577
T35N
R03W
Sec 10
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.0055 tons/year
Severity: Minor
Year Inventoried: 2017
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: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 33.33 ft.
, Width 125 ft.
, Height 17.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured 2 ft. below Surface
(with Meter)
Additional Comments
(old CRA site CRR-E-4)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 4 ft.
Bankfull Width: 35 ft.
Wetted Width: 35 ft.
Water Velocity: 0.09 ft./sec.
(Measured with Meter)
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 33 ft.
Location of Low Point: Other
Runoff Path: Roadway
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: Heavy
LS Factor: 0.05
Erosion: 0.0027 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0027 tons/year
Erosion Information
Total Erosion at Crossing: 0.0055 tons/year
Summary Information
Fish Passability 1