Road Stream Crossing Site TBW_TBAC145
Thunder Bay River Watershed, Buff Creek
Private Drive off Richardson Road
Hawes Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.696921
, -83.607204
T27N
R7E
Sec 33
Owned by Private
Fish Passability 0
Perch Height: 0.1 ft.
Total Erosion: 0.0735 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: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 45 ft.
, Width 4 ft.
, Height 4 ft.
Percentage Plugged:
Inlet: 1% to 25%
Percentage Crushed:
In Pipe: 1% to 25%
Perch Height: 0.1 ft.
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
Additional Comments
COLLAPSED HEADWALL, INLET BURRIED UNDER CONCRETE SLABS. INLET MEASUREMENTS ARE AN ESITMATION TO FLAG PASSAGE BARRIER.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 20 ft.
, Width 21 ft.
, Depth 1.8 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 10 ft.
Wetted Width: 5.5 ft.
Water Velocity: 1.6 ft./sec.
(Measured with Float Test)
Dominant Substrate: Cobble
Road Information
Gravel
Private Road
(Seasonal)
Road Condition: Fair
Road Width at Culvert: 11 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 8.3 ft.
Slope: Vertical
Downstream
Fill Depth: 7.7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 37 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.284
Erosion: 0.0318 tons/year
Right Approach
Length: 45 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.306
Erosion: 0.0417 tons/year
Erosion Information
Total Erosion at Crossing: 0.0735 tons/year
Extent of Erosion: Moderate
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: HEADWALL HAS COLLAPSED ON INLET
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
PLUGGED INLET
A future visit to this site is recommended. ENTIRE SURROUNDING AREA OF CULVERTS IS IN POOR CONDITION
These non-native species were observerd at this site: Autumn Olive