Road Stream Crossing Site TBW_TBPI187
Thunder Bay River Watershed, Quinn Creek
Hagensville Road
Metz Twp,
Presque Isle County
Information collected by:
Site Location
GPS Coordinates: 45.27071
, -83.88535
T33N
R5E
Sec 13
Owned by Private
Structure is NOT Perched
Total Erosion: 21.6529 tons/year
Severity: Severe
Year Inventoried: 2017
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Rock
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 30 ft.
, Width 100 ft.
, Height 11.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.7 ft./sec.
Structure Outlet
Water Depth: 1.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.8 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
RIFFLE NOT SAFE TO ACCESS/ LEFT APPROACH PAVED AND RIGH APPROACH SAND… RUNOFF NOT REPRESENTED ACCURATELY BY FORM
Stream Information
Stream Flow: Less than Bankfull
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 30 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: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 4.7107 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 16.9421 tons/year
Erosion Information
Total Erosion at Crossing: 21.6529 tons/year
Extent of Erosion: Minor
Summary Information
A future visit to this site is recommended. MONITORING FAIRLY NEW BRIDGE
These non-native species were observerd at this site: Queen Anne's Lace, Mullein, Spotted Knapweed