Road Stream Crossing Site CLHW_BC-034

Big Creek Watershed, Big Creek
US-23
Au Gres, Arenac County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.04794 , -83.75907
T19N R6E Sec 16
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.6407 tons/year
Severity: Minor
Year Inventoried: 2016
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft. , Width 28.8 ft. , Height 10 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.5 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 1.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.6 ft.
Bankfull Width: 20 ft.
Wetted Width: 16 ft.
Water Velocity: 1.3 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved Federal Road
Road Condition: Good
Road Width at Culvert: 34 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
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: 0.6407 tons/year
Erosion Information
Total Erosion at Crossing: 0.6407 tons/year
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Reed Canary Grass