Road Stream Crossing Site TBW_TBAP134
Thunder Bay River Watershed, Unnamed
Beaver Lake Road
Green Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.94453
, -83.73456
T30N
R6E
Sec 32
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 4.3957 tons/year
Severity: Severe
Year Inventoried: 2017
Site ID
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: Good
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
2.6 ft. |
41 ft. |
2.6 ft. |
Metal |
2 |
2.6 ft. |
41 ft. |
2.6 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 41 ft.
, Width 2.6 ft.
, Height 2.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.7 ft./sec.
Structure Outlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 4 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 11 ft.
Wetted Width: 6 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.7 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.6116 tons/year
Right Approach
Length: 275 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.45
Erosion: 0.7841 tons/year
Erosion Information
Total Erosion at Crossing: 4.3957 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.
VELOCITY
These non-native species were observerd at this site: Spotted Knapweed