Road Stream Crossing Site AUS_AL019
Au Sable River Watershed, Tributary of Wilbur Creek
Curtisville Rd
Curtis Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.56171
, -83.86707
T25N
R05E
Sec 17,18
Owned by Private
Fish Passability 0
Perch Height: 0.6 ft.
Total Erosion: 0.3173 tons/year
0.17 Upstream Miles
Severity: Severe
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: 1
Structure Shape: Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 40 ft.
, Width 3.1 ft.
, Height 2.8 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 76% to 100%
Perch Height: 0.6 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.83 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.4 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.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 27 ft.
Wetted Width: 5 ft.
Water Velocity: 1.18 ft./sec.
(Measured with Float Test)
Dominant Substrate: Gravel
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 3.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 114 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.386
Erosion: 0.2664 tons/year
Right Approach
Length: 168 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0509 tons/year
Erosion Information
Total Erosion at Crossing: 0.3173 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0
0.17 Upstream Miles
A future visit to this site is recommended. Repair culvert
These non-native species were observerd at this site: Burdock