Road Stream Crossing Site TW071
Tawas River Watershed, Sims Creek
Kobs Rd
Tawas Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.30875
, -83.56295
T22N
R07E
Sec 14,15
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 2.8463 tons/year
Severity: Severe
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: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: Cascade over Riprap
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
5 ft. |
65 ft. |
4.5 ft. |
Metal |
2 |
5 ft. |
65 ft. |
4.55 ft. |
Metal |
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft.
, Width 5 ft.
, Height 4.5 ft.
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 1 ft.
Water Velocity*: 1.3 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 14 ft.
, Width 13.5 ft.
, Depth 1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 15 ft.
Wetted Width: 8 ft.
Water Velocity: 1 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 21 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: 1:2
Downstream
Fill Depth: 7 ft.
Slope: 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.4231 tons/year
Right Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.4231 tons/year
Erosion Information
Total Erosion at Crossing: 2.8463 tons/year
Summary Information
Fish Passability 0.9
Fish Passage is an area of concern for this site.
Misplacement of culverts, #1 has no flow and silted in
A future visit to this site is recommended. Fish passage issues