Road Stream Crossing Site AUS_PR059
Au Sable River Watershed, East Branch Pine River
M-72
Gustin Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.65585
, -83.44716
T26N
R08E
Sec 10,15
Owned by Private
Structure is NOT Perched
Total Erosion: 1.6205 tons/year
Severity: Moderate
Year Inventoried: 2012
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 96.5 ft.
, Width 10.5 ft.
, Height 6.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.6 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 1.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
Outlet is also mitered.
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: 0.7 ft.
Bankfull Width: 16 ft.
Wetted Width: 14 ft.
Water Velocity: 1.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
State Road
Road Condition: Good
Road Width at Culvert: 43 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 7.9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.8102 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.8102 tons/year
Erosion Information
Total Erosion at Crossing: 1.6205 tons/year
Extent of Erosion: Moderate
Summary Information
Fish Passage is an area of concern for this site.
Yes, the culvert is very long.
A future visit to this site is recommended.
The culvert is very long and may pose a barrier to fish passage.
These non-native species were observerd at this site: Autumn Olive