Road Stream Crossing Site TBW_TBAP179

Thunder Bay River Watershed, Lower South Branch Thunder Bay River
Hubbard Lake Road
Ossineke Twp, Alpena County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.8882 , -83.58718
T29N R7E Sec 22
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 1.6942 tons/year
Severity: Moderate
Year Inventoried: 2017
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: Rock
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
39 ft.
31 ft.
10 ft.
Concrete
2
39 ft.
31 ft.
8.3 ft.
Concrete
Structure Interior: smooth
Dimensions of Structure: Length 31 ft. , Width 78 ft. , Height 10 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.6 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.7 ft.
Bankfull Width: 58 ft.
Wetted Width: 52 ft.
Water Velocity: 2.4 ft./sec. (Measured with Meter)
Dominant Substrate: Cobble
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 25 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.6942 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 1.6942 tons/year
Extent of Erosion: Stabilized
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. CONDITION OF STRUCTURE
These non-native species were observerd at this site: Spotted Knapweed and Queen Anne's Lace