Road Stream Crossing Site LIN_CRA004
Lincoln River Watershed, North Branch Lincoln River Tributary
Stephens Rd
Sherman Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.057018
, -86.200726
T19N
R16W
Sec 11
Owned by Private
Fish Passability 0.9
Total Erosion: 1.8781 tons/year
Severity: Moderate
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 56.7 ft.
, Width 6.7 ft.
, Height 5.1 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 2.6 ft.
Water Velocity*: 0.8 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 1.2 ft./sec.
*Water Velocities were measured 0.9 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 13.4 ft.
Wetted Width: 7.2 ft.
Water Velocity: 0.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0186 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.8595 tons/year
Erosion Information
Total Erosion at Crossing: 1.8781 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0.9
Fish Passage is an area of concern for this site.
Eventually- an older oak was felled into the outlet stream causing mild obstruction. See photos
These non-native species were observerd at this site: Reed Canary Grass