Road Stream Crossing Site TBW_TBMO08

Thunder Bay River Watershed, Haymeadow Creek
Gerber Road
Briley Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.00782 , -84.14798
T30N R2E Sec 12
Owned by Private
Structure is NOT Perched
Total Erosion: 0.3427 tons/year
Severity: Minor
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: 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 36 ft. , Width 4.6 ft. , Height 4.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
Structure Outlet
Water Depth: 2.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4.5 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Stream Information
Stream Flow: Bankfull
Road Information
Paved Other Road
Road Condition: Fair
Road Width at Culvert: 18 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.4 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 475 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.495
Erosion: 0.1399 tons/year
Right Approach
Length: 570 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.514
Erosion: 0.1743 tons/year
Erosion Information
Total Erosion at Crossing: 0.3427 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: SHOULDER FILL
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Upstream Streambank
19 ft.
9 ft.
1.5 ft.
yes
Gravelly Loam
0.0285
Summary Information
Fish Passage is an area of concern for this site. VELOSITY
A future visit to this site is recommended. FISH PASSAGE