Road Stream Crossing Site LIN_CRA052
Lincoln River Watershed, Lincoln River Tributary
N Dennis Rd
Amber Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 43.981397
, -86.370368
T18N
R17W
Sec 5
Owned by Private
Fish Passability 0.9
Total Erosion: 5.0545 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: 1
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: Other
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 55 ft.
, Width 3.3 ft.
, Height 2.5 ft.
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 2.7 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.5 ft./sec.
*Water Velocities were measured 2 ft. below Surface
(with Meter)
Additional Comments
Submerged outlet and inlet
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 10 ft.
, Width 15 ft.
, Depth 2.5 ft.
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 6 ft.
Wetted Width: 6 ft.
Water Velocity: 0.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
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: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.1 tons/year
Right Approach
Length: 500 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.635
Erosion: 4.9545 tons/year
Erosion Information
Total Erosion at Crossing: 5.0545 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 0.9
These non-native species were observerd at this site: Autumn Olive, Reed Canary Grass, on both sides