Road Stream Crossing Site PM_N067
Pere Marquette River Watershed, Unknown (tributary to Pere Marquette)
Beaver Rd
Lilley Twp,
Newaygo County
Information collected by:
Site Location
GPS Coordinates: 43.78917
, -85.82571
T16N
R13W
Sec 11
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.5822 tons/year
Severity: Moderate
Year Inventoried: 2015
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: Mixture
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 23 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 1 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface
(with Meter)
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: 0.2 ft.
Bankfull Width: 9 ft.
Wetted Width: 5.5 ft.
Water Velocity: 0.3 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 14 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: Vertical
Downstream
Fill Depth: 2 ft.
Slope: 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.3317 tons/year
Right Approach
Length: 160 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.406
Erosion: 0.2505 tons/year
Erosion Information
Total Erosion at Crossing: 0.5822 tons/year
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site.
Road gravel entering directly into stream on upstream side.
A future visit to this site is recommended. Yes, to check road shoulders for erosion.