Road Stream Crossing Site TBW_TBAC150

Thunder Bay River Watershed, Unnamed
Hubbard Lake Trail
Caledonia Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.84529 , -83.65646
T28N R6E Sec 01
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 4.2397 tons/year
Severity: Severe
Year Inventoried: 2017
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: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 35 ft. , Width 3 ft. , Height 2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.6 ft./sec.
Structure Outlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0.6 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
INLET BOTTOME 1' ABOVE STREAM BOTTOM AT OUTLET & GIANT ST. JOHN'S WART ON RIGHT SIDE 50 FT DOWNSTREAM (NOT REPORTED IN ALCONA COUNTY)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 6.5 ft.
Wetted Width: 5.3 ft.
Water Velocity: 0 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand County Road
Road Condition: Fair
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.8 ft.
Slope: 1:2
Downstream
Fill Depth: 2.7 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: 4.2397 tons/year
Erosion Information
Total Erosion at Crossing: 4.2397 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0