Road Stream Crossing Site AUS_PR060
Au Sable River Watershed, East Branch Pine River
McConnell Rd
Gustin Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.96921
, -84.68192
T26N
R08E
Sec 14,15
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 3.7686 tons/year
Severity: Severe
Year Inventoried: 2013
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 38 ft.
, Width 10.5 ft.
, Height 7.9 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.2 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 1.1 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 15 ft.
, Width 15 ft.
, Depth 1.3 ft.
Riffle Information
Water Depth: 1.9 ft.
Bankfull Width: 16 ft.
Wetted Width: 14.2 ft.
Water Velocity: 0.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 24 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.7686 tons/year
Erosion Information
Total Erosion at Crossing: 3.7686 tons/year
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Lily of the valley, Bittersweet Nightshade, Spotted Knapweed, Reed Canarygrass?