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Sep 08, 2023 •294 likes •579 views

Ore g o n Hig hwa ys Se ismic PL US Re po rt Pre se nte d b y: Pa ul Ma the r, ODOT Hig hwa y Divisio n Administra to r Clic k to a dd te xt T he Ore g o n Re silie nc e Pla n Required by the legislature, Transportation is supported

  1. Ore g o n Hig hwa ys Se ismic PL US Re po rt Pre se nte d b y: Pa ul Ma the r, ODOT Hig hwa y Divisio n Administra to r

  2. Clic k to a dd te xt

  3. T he Ore g o n Re silie nc e Pla n Required by the legislature, Transportation is supported by critical Governor Comprehensive plan, developing a strategic approach

  4. Co nc e pts Strategic planning is Retrofit increases critical to success resiliency if done and will require incrementally & widespread strategically consensus Secondary loss of life and long term economic losses can be significantly reduced

  5. T he so lutio n RETROFIT For serviceability For life safety to to keep the bridge prevent collapse functional

  6. Hig hwa y Bridg e L o sse s

  7. Mo de ra te I-5 Marquam Bridge

  8. Mo de ra te I-405 Fremont Bridge

  9. Co lla pse US 26 Ross Island Bridge

  10. Co lla pse Astoria-Megler Bridge

  11. Co lla pse US 30 Longview-Rainier Bridge

  12. Co lla pse I-5 Interstate Bridge

  13. Slig ht to Mo de ra te I-205 Glenn Jackson Bridge

  14. Re tr ofitting pr og r e ss F irst 16 ye a rs sinc e vulne ra b ility wa s ide ntifie d Years Actions 1994/1997 Prioritized total bridge needs 1155 1985-2012 Phase 1 retrofit added to projects 355 (STIP & OTIA III program) bridges addressed Bridges still needing retrofitting Future 800 (About 200 years at current funding)

  15. Most br idg e s be yond de sig n life 900 800 700 600 Number of Bridges 500 400 300 200 100 0 <1950 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2014 Bridges remaining in service

  16. OT IA br idg e inve stme nt ne e ds to c ontinue

  17. • Identify strategic lifeline routes • Minimize long term economic damage • Address overall bridge -Oregon Highway Seismic condition Options Report

  18. Ro ute se le c tio n Survivability • Emergency responders • Critical care facilities Life Support • Critical care facilities • Life support resources • Evacuation routes Economic Recovery • Critical freight corridors • Mobility into and out of the region • Routes between large metro areas

  19. Re c o mme nde d life line ro ute s

  20. T o ta l Se ismic PL US Pro g ra m Co st Program Total Bridge Cost Landslides/Rockfalls Cost Total Seismic PLUS Phases Program Costs 1 $738 Million $197 Million $935 Million 2 $632 Million $272 Million $904 Million 3 $612 Million $483 Million $1,095 Million 4 $640 Million $126 Million $766 Million 5 $1,432 Million $0 $1,432 Million Total $4.1 Billion $1.0 Billion $5.1 Billion

  22. Ma jo r Se ismic E ve nt: I so la te d Are a s Total economic loss: $350 B

  23. I so la te d Zo ne s: Pha se 1 & 2 Sc e na rio Reduce economic loss by: $35 B

  24. I so la te d Zo ne s: F ull Se ismic Pro g ra m Reduce economic loss by: $84 B

  25. No n-distre sse d b ridg e s with Se ismic PL US funding le ve ls Predicted Percent of Non-Distressed Bridges with 'Seismic Plus' Funding Levels (2010 - 2060) 100% 80% Target 80% Percent Non-Distressed 60% 40% 20% Seismic Plus Current Funding Level 0% 2010 2020 2030 2040 2050 2060 Year Out of 2681 State Owned NBI Bridges

  26. Cost = $5.1 Billion Economic Loss Avoided = $250 Billion

  27. We ne e d to sta r t NOW T ra nspo rta tio n is ke y to the o ve ra ll re spo nse Seismic Retrofit by State 5147 Bridges 416 Bridges 143 Bridges $13 Billion $177 Million $44 Million

  28. Ore g o n Re silie nc e Pla n Re c o mme nda tio ns Be g in imme diate ly to pre pare c ritic al state hig hway b ridg e s and the transpo rtatio n syste m to withstand a majo r e arthq uake . • Additional revenue be identified to complete the most critical routes. • Funding source should be “pay as you go.” • Research to ensure the most current technology and efficient methods are applied. • Conduct a thorough inventory and assessment of transit, port and rail assets.

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