Road Stream Crossing Site LIN_MLCD008

Lincoln River Watershed, South Branch of Lincoln River
Custer Rd
Sherman Twp, Mason County
Information collected by:
Mason-Lake Conservation District
Site Location
GPS Coordinates: 44.00325 , -86.22058
T19N R16W Sec 33/34
Owned by Private
Fish Passability 0.9
Total Erosion: 0.0491 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: 1
Structure Shape: Open Bottom Arch
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 59 ft. , Width 14.5 ft. , Height 5.5 ft.
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 13 ft.
Wetted Width: 7.5 ft.
Water Velocity: 0.5 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: 1:1.5
Downstream
Fill Depth: 1.5 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 500 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.055
Erosion: 0.0245 tons/year
Right Approach
Length: 500 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.055
Erosion: 0.0245 tons/year
Erosion Information
Total Erosion at Crossing: 0.0491 tons/year
Summary Information
Fish Passability 0.9