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HomeMy WebLinkAbout2025-03-12 HDOT Presentation - 2024 State Historic Bridge Inventory and Evaluation Update �HS 2024 State Historic � � B rid ge Inventory & Evaluation Update Hawaii 2024 State H istoric Bridge I nventorY & Eva I uation (SHBIE ) Update • Carried over from 2013 SHBIE • Chapter 2 . • Chapter 3 (sections 3.0-3.7 with edits to text and footnotes where necessary) • 2013 survey forms for bridges not receiving updated forms • Appendix E • Appendix F • Additions to 2024 SHBIE • Updated historic context (Chapter 3, section 3.8 — additional historic context from 1967 to 1980s) • Bridges constructed 1968-1977 2 Total HDOT Potentially Built Replaced In a Hawaii B r i d e s Bridges Priority Altered between Historic Historic 1968-1977 Bridge District Summary 11 Number of 55 10 13 30 2 55 bridges evaluated Bridges Notes: Evaluated (1 • 100 HDOT Priority Bridges are New Forms 10 10 selected from the FHWA Sufficiency rating. The priority i bridges all have poor sufficiency '. „ . Changed to 3 3 • Potentially altered bridges notIII Built before 1977 but potentially eligible���«««,,,���}}°' altered after 2013 in a way that affects integrity and NRHP Status Program 30 30 • If the potentially altered bridge Comment status changed from 2013 then an updated form was prepared. Forms JIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIMIIA If the status did not change from Removed 2013 the 2013 form was carried forward. Eligibility 20 7 13 Unchanged Do all bridges have new forms? • Bridges with new 2024 Forms (10 total) • HDOT Priority Bridges • Bridges altered after 2013 in ways that affected their integrity and eligibility • 2013 eligible or contributing bridges in historic districts that have been replaced Bridges with 2013• Forms (179 total) • Bridges altered after 2013 in ways that did not affect their integrity and eligibility • Bridges evaluated in 2013 but not in 2024 Bridges with no forms (32 total) • 2013 NRHP-listed and eligible bridges that have been replaced and form removed • Replacement bridge added to matrix with reference to bridge it replaced • Post-1945 Program Comment or Interstate Highway Exemption Bridges • All bridges built 1968-1977 4 Questions ? Not Eligible Bridges - Priority ... . '� �� ` tea �yy ,�" ��, �' '��.� �-���"" d� "'" �r .� m� "� _ , : • 2-Metal Pipe Culvert TyAW 001000110310346 • Additional research and use ofv. prefabricated culverts did not ` indicate NRHP or HRS 6E significance ,, ----. I . i � I �� ."� Not Eligible Bridges - Priority • 2-Metal Pipe Culvert a - p ,r 001000110310424 'W ' •• Additional research and use of r� � N �.. '�w. ��� a eta.. prefabricated culverts did not w: indicate NRHP or HRS 6E , 4 ' . significance y r as i .h. ' Replaced Historic Bridges 001000110306490 Hilea Stream Bridge ( Replaced 001000110306489) 001000110306601 Ninole Stream Bridge (Replaced 001000110306600) Mahalo !