Road Stream Crossing Site TBW_TBAP235
Thunder Bay River Watershed, King Creek
Nappers Road
Wilson Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.004021
, -83.658943
T30N
R6E
Sec 12/13
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.7508 tons/year
Severity: Moderate
Year Inventoried: 2017
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: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 48 ft.
, Width 7.2 ft.
, Height 5.3 ft.
Percentage Plugged:
Inlet: 1% to 25%
Outlet: 0%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.85 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 1.9 ft.
Embedded Depth of Structure: 0.4 ft.
Water Velocity*: 2 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Additional Comments
Saw white sucker below culvert outlet
Stream Information
Stream Flow: More than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 2.3 ft.
Bankfull Width: 26 ft.
Wetted Width: 27 ft.
Water Velocity: 1.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 3.2 ft.
Slope: 1:1
Downstream
Fill Depth: 3.2 ft.
Slope: 1:1
Approaches
Left Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.26
Erosion: 0 tons/year
Right Approach
Length: 297 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.459
Erosion: 0.7508 tons/year
Erosion Information
Total Erosion at Crossing: 0.7508 tons/year
Extent of Erosion: Minor
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Phragmites 50' x 25' patch