Road Stream Crossing Site TBW_TBAP106
Thunder Bay River Watershed, Unnamed Thunder Bay tributary
Calcut Road
Green Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.04231
, -83.77803
T31N
R5E
Sec 36
Owned by Private
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.1828 tons/year
Severity: Minor
Year Inventoried: 2017
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Fair
Dimensions of Structure: Length 39 ft.
, Width 4 ft.
, Height 4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.5 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Stream Information
Stream Flow: More than Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 6 ft.
Wetted Width: 8 ft.
Water Velocity: 0.9 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 16 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4 ft.
Slope: Vertical
Downstream
Fill Depth: 3 ft.
Slope: 1:1
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 105 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.395
Erosion: 0.1828 tons/year
Erosion Information
Total Erosion at Crossing: 0.1828 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 1