Road Stream Crossing Site AUS_PR168
Au Sable River Watershed, Bryant Creek
M-65
Curtis Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.52797
, -83.69585
T25N
R06E
Sec 27
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.8481 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: Open Bottom Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
8.5 ft. |
57 ft. |
4.5 ft. |
Concrete |
2 |
8.5 ft. |
57 ft. |
4.5 ft. |
Concrete |
Structure Interior: smooth
Dimensions of Structure: Length 57 ft.
, Width 8.5 ft.
, Height 4.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 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: 1 ft.
Bankfull Width: 17.7 ft.
Wetted Width: 10.6 ft.
Water Velocity: 2 ft./sec.
(Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 41 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.2 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 407 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.537
Erosion: 0.8481 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: 0.8481 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. Invasive species removal
These non-native species were observerd at this site: Autumn Olive, Spotted Knapweed