Road Stream Crossing Site AUS_OS080
Au Sable River Watershed, Tributary of East Branch Big Creek
Zimowski Rd
Big Creek Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.59432
, -84.14447
T26N
R02E
Sec 36
Owned by Federal
Total Erosion: 0.3769 tons/year
Severity: Minor
Year Inventoried: 2013
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: Other
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Structure is Rusted through
Dimensions of Structure: Length 58 ft.
, Width 2.7 ft.
, Height 2.7 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 1.4 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
No access to Riffle (fenced off)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 29 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 264 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.446
Erosion: 0.1128 tons/year
Right Approach
Length: 542 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.508
Erosion: 0.2642 tons/year
Erosion Information
Total Erosion at Crossing: 0.3769 tons/year
Summary Information