Road Stream Crossing Site AUS_OS152
Au Sable River Watershed, Wright Creek
Red Oak Rd (County 489)
Greenwood Twp,
Oscoda County
Information collected by:

Site Location
GPS Coordinates: 44.76297
, -84.30736
T27N
R01E
Sec 34
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.1227 tons/year
Severity: Moderate
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 98 ft.
, Width 4.3 ft.
, Height 3.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
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: 0.3 ft.
Bankfull Width: 11.8 ft.
Wetted Width: 4.5 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 37 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0612 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0612 tons/year
Erosion Information
Total Erosion at Crossing: 0.1227 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
4 ft. |
2.6 ft. |
0.1 ft. |
no |
Sand |
0.0004 |
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knapweed






