Road Stream Crossing Site LIN_CRA023
Lincoln River Watershed, North Branch Lincoln River
W Fountain Rd
Sherman Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.04879
, -86.25702
T19N
R16W
Sec 8
Owned by Private
Fish Passability 0.9
Total Erosion: 0.2534 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: 2
Structure Shape: Pipe Arch
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
2 |
12.5 ft. |
41 ft. |
8 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 41 ft.
, Width 12.5 ft.
, Height 8 ft.
Structure Inlet
Water Depth: 2.4 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 2.9 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured 2 ft. below Surface
(with Meter)
Additional Comments
culvert 2 used for structure measurements
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 75 ft.
, Width 75 ft.
Riffle Information
Water Depth: 2.5 ft.
Bankfull Width: 27 ft.
Wetted Width: 25 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.5 ft.
Slope: 1:1
Downstream
Fill Depth: 3.5 ft.
Slope: 1:1
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.2231 tons/year
Right Approach
Length: 50 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0022 tons/year
Erosion Information
Total Erosion at Crossing: 0.2534 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) | |
Left Downstream Embankment |
20 ft. |
2 ft. |
1 ft. |
yes |
Sand |
0.022 |
Left Downstream Embankment |
6 ft. |
4 ft. |
1 ft. |
yes |
Gravel |
0.006 |
Summary Information
Fish Passability 0.9