Road Stream Crossing Site LIN_MLCD028
Lincoln River Watershed, South Branch of Lincoln River
Stephens Rd
Sherman Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.0187
, -86.20071
T19N
R16W
Sec 27
Owned by Private
Fish Passability 0.5
Total Erosion: 2.2446 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 120 ft.
, Width 3.5 ft.
, Height 3.5 ft.
Percentage Crushed:
Inlet: 1% to 25%
Outlet: 1% to 25%
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.2 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 1.8 ft.
Bankfull Width: 14 ft.
Wetted Width: 14 ft.
Water Velocity: 0.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 21 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.4463 tons/year
Right Approach
Length: 300 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.46
Erosion: 0.7983 tons/year
Erosion Information
Total Erosion at Crossing: 2.2446 tons/year
Summary Information
Fish Passability 0.5