Road Stream Crossing Site TBW_TBMO60
Thunder Bay River Watershed, Gilchirst Creek
Harwood Road
Loud Twp,
Montmorency County
Information collected by:
Site Location
GPS Coordinates: 44.9137
, -84.0475
T29N
R3E
Sec 11
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.7382 tons/year
Severity: Severe
Year Inventoried: 2017
Outlet
Outlet
Upstream Conditions
Downstream Conditions
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 3
Structure Shape: Pipe Arch
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
6 ft. |
35 ft. |
3.6 ft. |
Metal |
2 |
6 ft. |
35 ft. |
3.6 ft. |
Metal |
3 |
6 ft. |
35 ft. |
3.6 ft. |
Metal |
Structure Interior: corrugated
Percentage Plugged:
Inlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3 ft./sec.
Structure Outlet
Water Depth: 1.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.3 ft./sec.
*Water Velocities were measured 1 ft. below Surface
(with Meter)
Additional Comments
CULVERT 3 CONSIDERED MAIN FLOW
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 2.5 ft.
Bankfull Width: 24 ft.
Wetted Width: 21 ft.
Water Velocity: 2.7 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4522 tons/year
Right Approach
Length: 678 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.532
Erosion: 0.286 tons/year
Erosion Information
Total Erosion at Crossing: 0.7382 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
UNDERSIZED CULVERTS
These non-native species were observerd at this site: Spotted Knapweed