Road Stream Crossing Site AUS_OS071
Au Sable River Watershed, Red Creek (South)
Knot Rd
Big Creek Twp,
Oscoda County
Information collected by:

Site Location
GPS Coordinates: 44.65174
, -84.29166
T26N
R01E
Sec 14
Owned by Private
Federal
Federal
Total Erosion: 1.27 tons/year
Severity: Moderate
Year Inventoried: 2013
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: Sand
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 31.5 ft.
, Width 1.5 ft.
, Height 0.8 ft.
Percentage Plugged:
In Pipe: 76% to 100%
Percentage Crushed:
Inlet: 76% to 100%
Water Depth: 0 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
Stream Information
Stream Flow: None
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 23 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 1 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: 415 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.483
Erosion: 1.27 tons/year
Erosion Information
Total Erosion at Crossing: 1.27 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passage is an area of concern for this site.
Broken culvert into upstream roadway
These non-native species were observerd at this site: Spotted Knapweed, Queen Anne's Lace, Pale Swallow Wort, White Sweet Clover






