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:
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
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