Road Stream Crossing Site EBIO015

Au Gres River Watershed, Drainage Ditch
Ora Lake Rd
Plainfield Twp, Iosco County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.385116 , -83.881222
T23N R5E Sec 15
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0709 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: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft. , Width 1.5 ft. , Height 1.5 ft.
Percentage Crushed: Inlet: 0% Outlet: 1% to 25% In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.5 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 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 950 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0345 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0364 tons/year
Erosion Information
Total Erosion at Crossing: 0.0709 tons/year
Extent of Erosion: Moderate
Notes:

No erosion apparent

Summary Information
Erosion is an area of concern for this site.