Road Stream Crossing Site P147
Pine River Watershed, North Branch Pine River
33 Rd
Cherry Grove Twp,
Wexford County
Information collected by:
Site Location
GPS Coordinates: 44.16829
, -85.49631
T21N
R10W
Sec 34
Owned by Private
Structure is NOT Perched
Total Erosion: 0.4111 tons/year
Severity: Minor
Year Inventoried: 2014
Site ID
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: Pipe Arch
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 92 ft.
, Width 13 ft.
, Height 9 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.2 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 2.7 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
*Water Velocities were measured 1 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: 3 ft.
Bankfull Width: 18 ft.
Wetted Width: 15 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 350 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.47
Erosion: 0.1631 tons/year
Right Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 0.2479 tons/year
Erosion Information
Total Erosion at Crossing: 0.4111 tons/year
Extent of Erosion: Moderate
Summary Information
Erosion is an area of concern for this site.