Type Size and Location Drawings (TSL)
TSL's are drawings that depict the general type and size of a bridge, its location and the proposed work to be done. TSL drawings are done by IDOT's Bureau of Bridges and Structures Planning Unit or by the consultant. IDOT consultants, contractors, fabricators and suppliers may benefit from being able to preview the type of bridges and materials to be used on future projects. Final bridge types, material and details are subject to refinement during the design phase.
The following TSL drawings are in Adobe PDF format. These drawings are for bridge projects on the state highway system that have been approved for design. This list will be updated every three months and projects will be removed from the list after they have been awarded.
(Last Update: February, 2024)
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Structure Number | County | Superstructure Type | Substructure Type | Date |
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Structure Number | County | Superstructure Type | Substructure Type | Date |
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