Road Stream Crossing Site TBW_TBAP178
Thunder Bay River Watershed, Lower South Branch Thunder Bay River
Beaver Lake Road
Ossineke Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.93181
, -83.57589
T29N
R7E
Sec 03
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 49.7514 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: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 34 ft.
, Width 122 ft.
, Height 23 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
Structure Outlet
Water Depth: 3.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.1 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface
(with Meter)
Additional Comments
2001 BUILD
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 1.8 ft.
Bankfull Width: 60 ft.
Wetted Width: 51 ft.
Water Velocity: 2.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 32 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 698 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.823
Erosion: 11.2191 tons/year
Right Approach
Length: 820 ft.
Slope: More Than 10%
Vegetation: Heavy
LS Factor: 5.331
Erosion: 38.5323 tons/year
Erosion Information
Total Erosion at Crossing: 49.7514 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site.
Sediment input from roadway
A future visit to this site is recommended. roadway
These non-native species were observerd at this site: Spotted Knapweed, Autumn Olive, Bull Thistle, Purple Loosestrife, Rusty Crayfish