Road Stream Crossing Site BSAB_BS75
Big Sable River Watershed, Tributary of Big Sable River
Beyer Rd
Victory Twp,
Mason County
Information collected by:
Site Location
GPS Coordinates: 44.06372
, -86.28907
T19N
R17W
Sec 1
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 7.5476 tons/year
Severity: Severe
Year Inventoried: 2011
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 40 ft.
, Width 2 ft.
, Height 1.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.71 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.29 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Additional Comments
1) Upstream is a marsh
2) stagnant water at the inlet and outlet
Stream Information
Stream Flow: None
Upstream Pond: Length 66 ft.
, Width 84 ft.
Riffle Information
Water Depth: 1.1 ft.
Bankfull Width: 17.6 ft.
Wetted Width: 13.2 ft.
Water Velocity: 0 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 24 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.8 ft.
Slope: 1:1
Downstream
Fill Depth: 4.4 ft.
Slope: 1:1
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.7686 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 3.7686 tons/year
Erosion Information
Total Erosion at Crossing: 7.5476 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Notes: Minor embankment erosion due to road runoff
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Upstream Embankment |
9 ft. |
2.5 ft. |
1.2 ft. |
yes |
Sandy Loam |
0.0104 |
Summary Information
Fish Passability 0.9