Road Stream Crossing Site TBW_TBAC172
Thunder Bay River Watershed, Unnamed
Pine
Caledonia Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.83006
, -83.56883
T28N
R7E
Sec 14
Owned by Private
Fish Passability 0
Perch Height: 0.4 ft.
Total Erosion: 0.067 tons/year
Severity: Severe
Year Inventoried: 2017
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Plastic
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 13 ft.
, Width 1.3 ft.
, Height 1.3 ft.
Percentage Plugged:
Inlet: 51% to 75%
Perch Height: 0.4 ft.
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.4 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 5 ft.
Wetted Width: 3 ft.
Water Velocity: 1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Sand
Private Road
Road Condition: Fair
Road Width at Culvert: 10 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: 66 ft.
Slope: 1% to 5%
Vegetation: None
LS Factor: 0.338
Erosion: 0.0615 tons/year
Right Approach
Length: 40 ft.
Slope: Less Than 1%
Vegetation: None
LS Factor: 0.05
Erosion: 0.0055 tons/year
Erosion Information
Total Erosion at Crossing: 0.067 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
PERCHED OUTLET