Road Stream Crossing Site AUS_PR195
Au Sable River Watershed, Tributary of Pine River
Kings Corner Rd
Oscoda Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.51163
, -83.39913
T24N
R09E
Sec 6
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.9084 tons/year
Severity: Moderate
Year Inventoried: 2013
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: Headwall
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
4.7 ft. |
65 ft. |
3.7 ft. |
Metal |
2 |
5 ft. |
65 ft. |
4.2 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft.
, Width 4.7 ft.
, Height 3.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0.8 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.7 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Additional Comments
Headwall is crumbling
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.7 ft.
Bankfull Width: 15.3 ft.
Wetted Width: 9.2 ft.
Water Velocity: 0.6 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 4.4 ft.
Slope: More than 1:2
Downstream
Fill Depth: 5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5653 tons/year
Right Approach
Length: 655 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.528
Erosion: 0.3431 tons/year
Erosion Information
Total Erosion at Crossing: 0.9084 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. Culverts are at water capacity and headwall is degraded.