Why Trucks Keep Hitting 11-Foot-8 Bridges: How I Built BridgeSpan AI with Gemma 4 & Google ADK to Stop Them

How I built a mobile-responsive global bridge-strike, axle-load, and flood-scour safety platform using Gemma 4, Google ADK, OSRM routing, and 4,809 real FHWA NBI + OSM bridges.