Road Stream Crossing Site TBW_TBAC146
Thunder Bay River Watershed, Unnamed
Sanboorn Road
Hawes Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.69119
, -83.58674
T27N
R7E
Sec 34
Owned by Private
Structure is NOT Perched
Total Erosion: 0 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: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 2.5 ft.
, Height 2.5 ft.
Structure is NOT Perched
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.9 ft./sec.
Additional Comments
COULD NOT ACTUALLY FIND THE INLET. BELIEVE IT TO BE OVERGROWN BY AUTUMN OLIVE AND BANK VEGETATION
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 25 ft.
, Width 12 ft.
, Depth 1.9 ft.
Upstream Pond: Length 1200 ft.
, Width 500 ft.
Riffle Information
Water Depth: 0.4 ft.
Bankfull Width: 15 ft.
Wetted Width: 9 ft.
Water Velocity: 1.2 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 22 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Fill Depth: 1.9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 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 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passage is an area of concern for this site.
VELOCITY
These non-native species were observerd at this site: St. Johns Wort