Road Stream Crossing Site AUS_OS087
Au Sable River Watershed, Tributary of Lost Creek
Sitt Rd
Oscoda County
Information collected by:

Site Location
GPS Coordinates: 44.6181
, -84.15013
T26N
R02E
Sec 25,26
Structure is NOT Perched
Total Erosion: 2.2347 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: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 46 ft.
, Width 2 ft.
, Height 2 ft.
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 1.3 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 1.3 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(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
Sand
County Road
Road Condition: Good
Road Width at Culvert: 26 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 5 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 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: 600 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.52
Erosion: 2.2347 tons/year
Erosion Information
Total Erosion at Crossing: 2.2347 tons/year
Extent of Erosion: Moderate
Notes:
None noted
Summary Information
Erosion is an area of concern for this site.






