Type Operating Inventory Load Load Factor Load Factor Railroad 100 100 000 Railroad (W/tracks removed) 100 100 000 Pedestrian 000 000 000 Pipeline (over Hwy) 000 000 000 Closed Bridge * 000 000 000 Temporary Bridge ** 000 000 100 Shored-up Bridge *** 030 030 000 Structure under large fill (Not affected 299 299 150 by live load). **** Aircraft Taxiway Bridge 800 800 000 * Closed” should be included in Intersected” item. “Features ** must be coded in Item #10 “Y” *** Load capacity without shoring. **** When there is sufficient fill over a structure such that, according to the AASHTO design specification, that structure would have insignificant live load effect. ITEM #84 - METHOD OF RATING [1 digit] This item must be This item will indicate the method of analysis for the load rating (Items #92 & #93) of the structure. Code the appropriate description from the list Code Description 0 Field evaluation and documented engineering judgment 1 Allowable Stress Rating (ASR) or Working Stress Rating (WSR) using HS20 loading 2 Load Factor Rating (LFR) 3 Load & Resistance Factor Rating (LRFR) using HL93 loadings 4 Combination of Methods 5 Engineering Judgment Superstructure (Default) – 6 Load Testing 7 Engineering Judgment Substructure – 8 Not Used 9 Not Used
Type Operating Load Factor Inventory Load Factor Load Railroad 100 100 000 Railroad (W/tracks removed) 100 100 000 Pedestrian 000 000 000 Pipeline (over Hwy) 000 000 000 Closed Bridge * 000 000 000 Temporary Bridge ** 000 000 100 Shored-up Bridge *** 030 030 000 Structure under large fill (Not affected by live load). **** 299 299 150 Aircraft Taxiway Bridge 800 800 000 * Closed” should be included in “Features Intersected” item. ** “Y” must be coded in Item #10 *** Load capacity without shoring. **** When there is sufficient fill over a structure such that, according to the AASHTO design specification, that structure would have insignificant live load effect. ITEM #84 - METHOD OF RATING [1 digit] This item must be This item will indicate the method of analysis for the load rating (Items #92 & #93) of the structure. Code the appropriate description from the list Code Description 0 Field evaluation and documented engineering judgment 1 Allowable Stress Rating (ASR) or Working Stress Rating (WSR) using HS20 loading 2 Load Factor Rating (LFR) 3 Load & Resistance Factor Rating (LRFR) using HL93 loadings 4 Combination of Methods 5 Engineering Judgment – Superstructure (Default) 6 Load Testing 7 Engineering Judgment – Substructure 8 Not Used 9 Not Used
Bridge_Inventory_Coding_Guide_Revised_2012-08.docx