Road Stream Crossing Site TBW_TBMO203
Thunder Bay River Watershed, North Branch Thunder Bay River
Morrow Road
Montmorency Twp,
Montmorency County
Information collected by:
Site Location
GPS Coordinates: 45.17939
, -83.92309
T32N
R4E
Sec 11
Fish Passability 0.5
Total Erosion: 0.5276 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: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 28.3 ft.
, Width 45 ft.
, Height 6.7 ft.
Structure Inlet
Water Depth: 1.7 ft.
Water Velocity*: 2 ft./sec.
Structure Outlet
Water Depth: 2.4 ft.
Water Velocity*: 1.1 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 2.5 ft.
Bankfull Width: 24 ft.
Wetted Width: 21.5 ft.
Water Velocity: 0.7 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: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Spotted Knapweed