Road Stream Crossing Site LIN_MLCD011

Lincoln River Watershed, South Branch of Lincoln River
Sugar Grove Rd
Sherman Twp, Mason County
Information collected by:
Mason-Lake Conservation District
Site Location
GPS Coordinates: 44.00503 , -86.23424
T19N R16W Sec 28
Owned by Private
Fish Passability 0
Total Erosion: 0.0524 tons/year
Severity: Severe
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: 3
Structure Shape: Square/Rectangle
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Wood
Structure Substrate: Sand
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6 ft.
57 ft.
5.8 ft.
Wood
2
6 ft.
57 ft.
5.8 ft.
Wood
3
6 ft.
57 ft.
5.8 ft.
Wood
Structure Interior: smooth
Dimensions of Structure: Length 57 ft. , Width 6 ft. , Height 5.8 ft.
Percentage Plugged: Inlet: 51% to 75%
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 1.8 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
Culvert #3 data used
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 21 ft.
Wetted Width: 18 ft.
Water Velocity: 1.5 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.5 ft.
Slope: 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.055
Erosion: 0.0205 tons/year
Right Approach
Length: 500 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.055
Erosion: 0.0205 tons/year
Erosion Information
Total Erosion at Crossing: 0.0524 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Embankment
6 ft.
3 ft.
2 ft.
yes
Sandy Loam
0.0115
Summary Information
Fish Passability 0
These non-native species were observerd at this site: Autumn Olive