Road Stream Crossing Site TBW_TBAP109
Thunder Bay River Watershed, Unnamed tributary to Bean Creek
Manning Road
Green Twp,
Alpena County
Information collected by:
Site Location
GPS Coordinates: 45.04247
, -83.71624
T30N
R6E
Sec 33
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.0087 tons/year
Severity: Moderate
Year Inventoried: 2017
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 2 ft.
Percentage Crushed:
Inlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.5 ft./sec.
Structure Outlet
Water Depth: 1.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Bankfull
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 11 ft.
Wetted Width: 11 ft.
Water Velocity: 0.8 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Sand
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: Other
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: More than 1:2
Downstream
Fill Depth: 1.7 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.0087 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downstream Embankment |
3.8 ft. |
1.8 ft. |
2.3 ft. |
yes |
Gravelly Loam |
0.0087 |
Summary Information
Fish Passability 0.5
These non-native species were observerd at this site: Possibly european swamp thislte