Road Stream Crossing Site TBW_TBAP233
Thunder Bay River Watershed, Lower South Branch Thunder Bay River
Werth Road
Wilson Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.98245
, -83.56933
T30N
R7E
Sec 22
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.5276 tons/year
Severity: Minor
Year Inventoried: 2017
Site ID
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: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 32 ft.
, Width 121 ft.
, Height 14 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Water Velocity*: 1 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 3.7 ft.
Bankfull Width: 80 ft.
Wetted Width: 75 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 28 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: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5276 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: 0.5276 tons/year
Extent of Erosion: Stabilized
Summary Information
Fish Passability 1
These non-native species were observerd at this site: Reed Canary Grass