Illinois Department of Transportation, Erica Borggren, Acting Secretary
Patrick J. Quinn, Governor
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Illinois Highway Information System
Structure Information and Procedure Manual
July 1, 2007

Data Item Listed Alphabetically by Item Name

Name of Item: T through Z

Temporary Structure Designation Underwater Appraisal Rating
Ten-Foot Vertical Clearance (S/E, N/W) Underwater Inspected Substructure Units
Toll Facility Indicator Underwater Inspection by (Name 1)
Total Award Cost Underwater Inspection by (Name 2)
Total Bridge Roadway Width On Underwater Inspection Category
Total Deck Area Underwater Inspection Date
Total Deck Thickness Underwater Inspection Interval
Total Deck Width Underwater Inspection Method
Total Number of Approach Spans Underwater Inspection Remarks
Total Number of Main Spans Underwater Inspection Temperature
Township/Road District (Inventory) Urban Area
Type of Membrane Utilities Attached to Structure
Type of Service (On/Under) Waterway Adequacy Appraisal
Type of Wearing Surface Waterway Drainage Area
Underclearance (Vert. and Lateral) Appraisal Waterway Drainage Area
  Waterway Low Grade Elevation




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