Road Stream Crossing Site LTB-139
Little Traverse Bay Watershed, Tributary to Bear Els Creeck
Bear River Rd
Bear Creek Twp,
Emmet County
Information collected by:
Site Location
GPS Coordinates: 45.29081161
, -84.89233636
Fish Passability 0.9
Total Erosion: 9.0967 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Inlet
Outlet
Upstream 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: At Stream Grade
Structure Material: Metal
Structure Substrate: Gravel
General Conditions: Fair
Multiple Culverts/Spans | ||||
Culvert/Span | Width | Length | Height | Material |
1 |
2 ft. |
3 ft. |
||
2 |
2 ft. |
3 ft. |
||
Structure Interior: corrugated
Dimensions of Structure: Length 36 ft.
, Width 2 ft.
Percentage Plugged:
In Pipe: 1% to 25%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Structure Inlet
Water Depth: 1.15 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.417 ft.
Embedded Depth of Structure: 0.208 ft.
Water Velocity*: 0.65 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Additional Comments
Mr. Mark Ecker. Old site ID: C-34.
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 5 ft.
, Width 5 ft.
, Depth 0.75 ft.
Upstream Pond: Length 10 ft.
, Width 5 ft.
, Depth 1.5 ft.
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 11 ft.
Wetted Width: 5.8 ft.
Water Velocity: 0.23 ft./sec.
(Measured with Meter)
Dominant Substrate: sand/organics
Road Information
Gravel
County Road
Road Condition: Fair
Road Width at Culvert: 29 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2 ft.
Slope: 1:1.5
Downstream
Fill Depth: 2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 999 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 4.5484 tons/year
Right Approach
Length: 999 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 4.5484 tons/year
Erosion Information
Total Erosion at Crossing: 9.0967 tons/year
Notes: Replace culverts with larger, better aligned and extension.
Summary Information
Fish Passability 0.9