Road Stream Crossing Site AUS_PR189
Au Sable River Watershed, Wallace Creek
Decost Rd
Curtis Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.53414
, -83.68537
T25N
R06E
Sec 26,27
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.222 tons/year
Severity: Moderate
Year Inventoried: 2013
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
3 ft. |
37 ft. |
3.2 ft. |
Metal |
2 |
2.9 ft. |
37 ft. |
3.4 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 37 ft.
, Width 3 ft.
, Height 3.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.9 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
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: 0.2 ft.
Bankfull Width: 16.6 ft.
Wetted Width: 8.5 ft.
Water Velocity: 1.3 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 452 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.49
Erosion: 1.0991 tons/year
Right Approach
Length: 70 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.354
Erosion: 0.1229 tons/year
Erosion Information
Total Erosion at Crossing: 1.222 tons/year
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Autumn Olive