Road Stream Crossing Site AUS_OS176
Au Sable River Watershed, Tributary of Gusler Creek
North Abbe Rd
Comins Twp,
Oscoda County
Information collected by:
Site Location
GPS Coordinates: 44.73892
, -84.05055
T27N
R03E
Sec 14,15
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.6808 tons/year
Severity: Moderate
Year Inventoried: 2012
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: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Poor
Structure Interior: corrugated
Dimensions of Structure: Length 99.4 ft.
, Width 2 ft.
, Height 2 ft.
Percentage Plugged:
Inlet: 26% to 50%
Outlet: 26% to 50%
In Pipe: 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.6 ft.
Embedded Depth of Structure: 1.1 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0.9 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: None
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 26 ft.
, Width 6 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 36 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 8.1 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.6783 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: 0.6808 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) | |
Left Downstream Ditch |
11.5 ft. |
2 ft. |
0.2 ft. |
no |
Sand |
0.0025 |
Summary Information
Fish Passability 0.9
Erosion is an area of concern for this site.
Yes, the culvert is in bad condition, and there is some erosion.
A future visit to this site is recommended. The culvert is in bad condition, and there is some erosion.
These non-native species were observerd at this site: Leafy Spurge, Spotted Knapweed