Summary: This Circular contains the proceedings of the Eighth International Bridge Management Conference, Denver, Colorado, April 26, 1999-April 28, 1999. The objective of the conference was to provide a forum for the exchange of information about the state-of-the-practice and state-of-the-art in bridge management support systems between practitioners and researchers in all levels of the public and private sector. Paper titles include Load Rating and Permit Vehicle Routing; Permit Vehicle Routing System: Protecting Bridges from Highly Loaded Vehicles; The Application of Groupware Software Systems to Permit Vehicle Routing; Integration of Bridge and Pavement Management Systems: A Proposed Strategy for Asset Management; and Optimal Inspection and Maintenance Policies for Infrastructure Systems under Measurement and Prediction Uncertainty.