Road Stream Crossing Site LTB-250
Little Traverse Bay Watershed, Spring Brook - Middle Branch
Chandler Hill Rd
Chandler Twp,
Charlevoix County
Information collected by:
Site Location
GPS Coordinates: 45.21792131
, -84.8173079
Sec 29
Owned by State
Fish Passability 0
Total Erosion: 0.5527 tons/year
Severity: Severe
Year Inventoried: 2014
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: Pipe Arch
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 58 ft.
, Width 4.5 ft.
, Height 3.3 ft.
Percentage Plugged:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 0%
Structure Inlet
Water Depth: 0.5 ft.
Water Velocity*: 2.3 ft./sec.
Structure Outlet
Water Depth: 0.45 ft.
Water Velocity*: 4.1 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface
(with Meter)
Additional Comments
Old site ID: C-12.
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 6 ft.
, Width 6 ft.
, Depth 2 ft.
, Depth 1.67 ft.
Riffle Information
Water Depth: 0.15 ft.
Water Velocity: 0.694 ft./sec.
(Measured with Meter)
Dominant Substrate: sand/organics
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 27 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1 ft.
Slope: 1:2
Downstream
Fill Depth: 2 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 999 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0446 tons/year
Right Approach
Length: 999 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5082 tons/year
Erosion Information
Total Erosion at Crossing: 0.5527 tons/year
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Possibly for some species, because of velocity.
A future visit to this site is recommended. Just as C11: if downstream impacts become more of an issue