Road Stream Crossing Site AUS_OS114
Au Sable River Watershed, Au Sable River
M-33
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.659731
, -84.129027
T26N
R02E
Sec 12
Total Erosion: 0 tons/year
Severity: Minor
Year Inventoried: 2013
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Round
Inlet Type: Wingwall 30-70 Degree
Outlet Type: Cascade over Riprap
Structure Material: Concrete
Structure Substrate: None
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 200 ft.
, Width 52 ft.
, Height 18 ft.
Structure Inlet
Water Depth: 7 ft.
Water Velocity*: 2.74 ft./sec.
Structure Outlet
Water Depth: 7 ft.
Water Velocity*: 2.74 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Dominant Substrate: Organics
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 48 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: Vertical
Downstream
Fill Depth: 7 ft.
Slope: Vertical
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0 tons/year
Extent of Erosion: Moderate
Notes:
None noted
Summary Information
Erosion is an area of concern for this site.