Road Stream Crossing Site TBW_TBAP122
Thunder Bay River Watershed, Bean Creek
Evans Road
Green Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.00751
, -83.71821
T30N
R6E
Sec 09
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 4.4098 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: culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 58 ft.
, Width 16 ft.
, Height 8.3 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 4.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 4.25 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Stream Information
Stream Flow: More than Bankfull
Riffle Information
Water Depth: 4.9 ft.
Bankfull Width: 22 ft.
Wetted Width: 25 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 27 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 0.6 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.5
Erosion: 1.8595 tons/year
Right Approach
Length: 650 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.528
Erosion: 2.5503 tons/year
Erosion Information
Total Erosion at Crossing: 4.4098 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: Mullein and Spotted Knapweed