Road Stream Crossing Site AUS_OT119

Au Sable River Watershed, North Branch Au Sable River
Old 27
Bagley Twp, Otsego County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.95817 , -84.68179
T30N R03W Sec 28
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 3.2912 tons/year
Severity: Severe
Year Inventoried: 2013
Upstream Conditions
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Apron
Outlet Type: Outlet Apron
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 2.1 ft. , Height 2 ft.
Percentage Crushed: Inlet: 1% to 25% Outlet: 1% to 25%
Structure is NOT Perched
Water Depth: 0 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0 ft./sec.
Water Depth: 0 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: None
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 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 38 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 2.5752 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.716 tons/year
Erosion Information
Total Erosion at Crossing: 3.2912 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Leafy Spurge, Canada Thistle