This $100M bridge is made with WOOD and is TOTALLY HOLLOW

Pieces of plywood will forever be trapped inside the concrete of a new freeway in Bakersfield, California. Join me as I walk around a new bridge on the Centennial Corridor and explore all the parts that make a bridge. Buy me tacos 😀🌮►   / roadguyrob   Ask a road question ►   / roadguyrob   ------------------------- Sources cited: ------------------------- "I-4 Ultimate: Pile Driving," Florida DOT    • I-4 Ultimate: PILE DRIVING   "Caltrans’ Historic Bridges Inventory Update: Concrete Box Girder Bridges," California DOT https://dot.ca.gov/-/media/dot-media/... "Engineering News-Record," p.339, 03 Mar 1938 via Archive.org https://archive.org/details/sim_enr_1... "Bridge Design Details: Box Girder Soffits," 02 Jan 2023, California DOT https://dot.ca.gov/-/media/dot-media/... "Common Types of Foundations," Taghvamanesh https://www.researchgate.net/figure/C... "Field Studies of Post-Tensionsed Bridge Hinge Curl," Akl https://www.pci.org/PCI_Docs/Papers/2... ------------------------- Time sections: ------------------------- Introduction (0:00) Girders (0:40) Columns (2:08) Box Girders (3:18) Falsework (4:08) Loss Deck (5:11) Pouring Concrete (5:51) Post Tensioning (6:54) Hinges (8:00) Abutments and MSE Walls (8:29) Falsework Removal (9:13) Superelevation (9:45) Design (10:16) Policy (11:00) Conclusion (11:47)