Road Stream Crossing Site TBW_TBMO55

Thunder Bay River Watershed, Gilchirst Creek
Greasy Creek Road
Loud Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.87911 , -84.06522
T29N R3E Sec 27
Owned by State
Fish Passability 0
Structure is NOT Perched
Total Erosion: 10.709 tons/year
Severity: Severe
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: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
4.2 ft.
70 ft.
4.2 ft.
Metal
2
4.2 ft.
70 ft.
4.2 ft.
Structure Interior: corrugated
Dimensions of Structure: Length 70 ft. , Width 8.4 ft. , Height 4.2 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.8 ft./sec.
Structure Outlet
Water Depth: 2.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.2 ft./sec.
*Water Velocities were measured 1.3 ft. below Surface (with Meter)
Additional Comments
MAN MADE POOL AT OUTLET
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 36 ft. , Width 30 ft. , Depth 7 ft.
Riffle Information
Water Depth: 1.5 ft.
Bankfull Width: 28 ft.
Wetted Width: 24.4 ft.
Water Velocity: 3.1 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Gravel County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 4.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 443 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.575
Erosion: 4.4213 tons/year
Right Approach
Length: 578 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 1.717
Erosion: 6.2877 tons/year
Erosion Information
Total Erosion at Crossing: 10.709 tons/year
Notes: JUTE MAT IS EXPOSED ON DOWNSTREAM EMBANKMENT FROM FOOT TRAFFIC
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. VELOCITY
A future visit to this site is recommended. SMALL INLET AND SCOUR POOL