{"x402Version":2,"resources":[{"url":"/screen","method":"POST","description":"Bridge condition + clearance verdict from the FHWA National Bridge Inventory: component ratings, Good/Fair/Poor verdict, scour flag, clearances, ADT, inspection date.","price":"$0.05","network":"eip155:8453","input_schema":{"type":"object","properties":{"structure_number":{"type":"string","description":"NBI structure number (unique within a state). Provide this, OR state+county, OR query."},"state":{"type":"string","description":"2-letter state code, e.g. 'CA'."},"county":{"type":"string","description":"County name or 3-digit code; requires state."},"query":{"type":"string","description":"Text matched against facility carried / feature crossed / location; all words must match."}}}}]}