Road Stream Crossing Site ST052
Sturgeon River Watershed, Blackjack Creek
North Central State Trail
Nunda Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.212248
, -84.602237
T33N
R02W
Sec 31
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.3636 tons/year
Severity: Minor
Year Inventoried: 2015
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 33 ft.
, Width 2.6 ft.
, Height 2.4 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 2.05 ft.
Embedded Depth of Structure: 0.2 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
Surrounded by beaver dams (upstream pond and riffle info. are beaver ponds)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Road Information
Gravel
State Road
Road Condition: Good
Road Width at Culvert: 11 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.06
Erosion: 0.1818 tons/year
Right Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.06
Erosion: 0.1818 tons/year
Erosion Information
Total Erosion at Crossing: 0.3636 tons/year
Summary Information
Fish Passability 0.5
A future visit to this site is recommended. Flooding from beaver activity