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Transportation Structures
Transportation GA Bridge culvert
Box culvert on Rock Creek, Klamath Co. photo Nicole Navas
General Authorization for Certain Transportation-Related Structures
 
To be eligible for this General Authorization, the project must be for the following purposes: 
  • Widening for new roadside embankments, curbs, trails, sidewalks, rail crossings, additional passing lanes, turn lanes and refuges and travel lanes
  • Widening, realigning or removing existing roads, railroad beds, bridges (including replacement), bicycle, pedestrian or other lanes or trails
  • Constructing new bicycle, pedestrian or other lanes or trails
  • Replacement, construction or extension of culverts along roads or trails
  • Hydraulic scour protection associated with bridges and similar structures
  • Test holes or borings for transportation related planning purposes 
 
The project must meet the following criteria: 
  • Involve no more than a total of 5,000 cubic yards of material filled, removed, or altered in waters of the state.
  • For streambank stabilization associated with a transportation-related project, involve no more than 1,000 cubic yards of material placed in a one-quarter mile reach of waters of the state for a single project or 2,000 cubic yards for multiple-related projects within a subbasin.
  • Involve 0.5 acres or less of wetland fill.
  • A compensatory mitigation plan (for wetland and/or non-wetland impacts) is required for any expected adverse impacts to water resources, navigation, fishing or recreational use. 
 
The following projects are NOT eligible for this authorization:
  • Projects located within an estuary or the Pacific Ocean
  • Projects involving permanent stream channel relocation.
 
To apply for this authorization, submit a completed Joint Permit Application Form.
 
 
For a more detailed description of additional eligibility and mandatory requirements, consult OAR 141-089-0135-0165. (At Secretary of State site, press CTRL-F, key in 0135, and press Enter)
 
If you have further questions about a specific project, contact the DSL Resource Coordinator for your county. 
 
 

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