Road Stream Crossing Site LIN_CRA012

Lincoln River Watershed, North Branch Lincoln River Tributary
N Stephens Rd
Sherman Twp, Mason County
Information collected by:
Site Location
GPS Coordinates: 44.03566 , -86.20094
T19N R16W Sec 14
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 2.4492 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: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 33.5 ft. , Width 6 ft. , Height 6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface (with Meter)
Additional Comments
Listed as Manistee National Forest
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 12 ft.
Wetted Width: 9.5 ft.
Water Velocity: 0.8 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Good
Road Width at Culvert: 17 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: Vertical
Downstream
Fill Depth: 1.9 ft.
Slope: Vertical
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.1708 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.1708 tons/year
Erosion Information
Total Erosion at Crossing: 2.4492 tons/year
Extent of Erosion: Moderate
Notes: outlet (both sides) are vegetated above eroded washouts
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Downstream Embankment
4 ft.
1 ft.
2 ft.
yes
Sandy Loam
0.0538
Right Downstream Embankment
4 ft.
1 ft.
2 ft.
yes
Sandy Loam
0.0538
Summary Information
Fish Passability 1
Erosion is an area of concern for this site. At outlet left and right
A future visit to this site is recommended. to remove/repair
These non-native species were observerd at this site: Reed Canary Grass