Road Stream Crossing Site LIN_CRA031

Lincoln River Watershed, North Branch Lincoln River
E Millerton Rd
Sheridan Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 44.033553 , -86.112055
T19N R15W Sec 16
Owned by Private
Fish Passability 0.9
Total Erosion: 0.3215 tons/year
Severity: Minor
Year Inventoried: 2019
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
4.5 ft.
70 ft.
3 ft.
Metal
2
4.5 ft.
70 ft.
3 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 4.5 ft. , Height 3 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 1.1 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0.7 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
Depths and velocities from Culvert 2
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 10 ft.
Wetted Width: 10 ft.
Water Velocity: 1.1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.1818 tons/year
Right Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.48
Erosion: 0.1396 tons/year
Erosion Information
Total Erosion at Crossing: 0.3215 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Russian olive, Reed Canary Grass