Road Stream Crossing Site AUS_OS171

Au Sable River Watershed, Tributary of Commins Creek
Weaver Rd
Oscoda County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.696283 , -84.030183
T26N R03E Sec 7,18
Structure is NOT Perched
Total Erosion: 3.6116 tons/year
Severity: Severe
Year Inventoried: 2012
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
2
2 ft.
62 ft.
2 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft. , Width 3 ft. , Height 3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 2.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
(with Float Test)
Stream Information
Stream Flow: None
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
Gravel County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Erosion Information
Total Erosion at Crossing: 3.6116 tons/year
Extent of Erosion: Moderate
Notes:

None noted

Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Spotted Knapweed