Road Stream Crossing Site PLT-I-11

Platte River Watershed, Stanley Creek
Hulbert Rd
Inland Twp, Benzie County
Information collected by:
Site Location
GPS Coordinates: 44.66654 , -85.89898
T26 R13 Sec 9
Owned by Private
Structure is NOT Perched
Total Erosion: 3.6942 tons/year
Severity: Restored
Year Inventoried: 2021
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Ellipse
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: Sand
General Conditions: New
Structure Interior: corrugated
Dimensions of Structure: Length 46.5 ft. , Width 5.1 ft. , Height 3.8 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.7 ft./sec.
*Water Velocities were measured 0.2 ft. below Surface (with Meter)
Additional Comments

single culvert

Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 16.7 ft.
Wetted Width: 12.5 ft.
Water Velocity: 1 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 18.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 1.3 ft.
Slope: More than 1:2
Fill Depth: 1.1 ft.
Slope: More than 1:2
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.2741 tons/year
Right Approach
Length: 330 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.439
Erosion: 2.4201 tons/year
Erosion Information
Total Erosion at Crossing: 3.6942 tons/year
Extent of Erosion: Stabilized
Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Queen Anne's Lace