Road Stream Crossing Site TBW_TBAP230
Thunder Bay River Watershed, Wolf Creek
Hubbard Lake Road
Wilson Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 44.97232
, -83.58781
T30N
R7E
Sec 27
Owned by Private
Structure is NOT Perched
Total Erosion: 2.7716 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: 3
Structure Shape: Open Bottom Arch
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Sand
General Conditions: Poor
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
14 ft. |
36 ft. |
13.5 ft. |
Concrete |
2 |
14 ft. |
36 ft. |
13.5 ft. |
Concrete |
3 |
14 ft. |
36 ft. |
13.5 ft. |
Concrete |
Structure Interior: smooth
Structure is Rusted through
Dimensions of Structure: Length 36 ft.
, Width 42 ft.
, Height 13.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 5.9 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 5.7 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
CULVERT #2 IS MAIN FLOW, RIFFLE NOT SAFELY ACCESSIBLE
Stream Information
Stream Flow: Less than Bankfull
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 32 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 2.1686 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.603 tons/year
Erosion Information
Total Erosion at Crossing: 2.7716 tons/year
Extent of Erosion: Minor
Notes: CONCRETE FOOTERS ERODING
Summary Information
Erosion is an area of concern for this site.
AGE OF STRUCTURE (CONCRETE ERODING)
These non-native species were observerd at this site: Autumn Olive, Glossy Buckthorn, Reed Canary Grass, and Spotted Knapweed