Road Stream Crossing Site EUP_Rutledge Road South
Munuscong River Watershed, Munuscong River
Rutledge Road South Bridge
Mackinac County
Information collected by:
CLMCD
Site Location
GPS Coordinates: 46.1357161,-84.4050418
T 43NN R 01W Sec 11
Owned by Donald Zandbergen
Fish Passability: Barrier at Most Flows
Total Erosion: 0.81 tons/year
Overall Score: 10
Severity: Minor
Date Inventoried: 8/24/2021
Road Approach - Left
Road Approach - Right
Inlet
Upstream Conditions
Outlet
Downstream Conditions
Representative Reach
Crossing Information*
Type of Crossing: Bridge
Number of Structures: 1
Structure Shape: Other
Inlet Type: Other
Outlet Type: Other
Structure Material: Concrete
Structure Substrate: None
General Conditions: No deficiencies. New structure or nearly new condition.
Structure Interior: Other
Dimensions of Structure: Length 31.9 ft. Width 110 ft. Height 23.3 ft.
Percentage Plugged: None or 0%
Percentage Crushed: None or 0%
Structure Inlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Structure Outlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Stream Information
Stream Flow: < Bankfull – The stream channel is more than half filled with water, but is not full.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Water Depth: 1 ft.
Bankfull Width: 19.5 ft.
Wetted Width: 15 ft.
Dominant Substrate: Clay – very fine particles that stick together
Road Information
Road Surface: Paved
Owner: County
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
Road Core Integrity: Good (no symptoms of lack of integrity)
Road Width at Culvert: 37 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 0 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 200 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.11 tons/year
Right Approach
Length: 1000 ft.
Slope: 1-5%
Vegetation: Heavy, Ditch is fully vegetated or rip-rapped with no signs of erosion.
Erosion Estimate: 0.7 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 0.81 tons/year
Summary Information
Fish Passability: Barrier at Most Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? No
Site Comments: spring runoff present, crossing is a bridge in good condition.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.