TY - BOOK ED - American Association of State Highway and Transportation Officials. TI - Guide for bridge maintenance management AV - TE220 .A497 1980 U1 - 629.28068 AAS PY - 1980/// CY - Washington, D.C. PB - American Association of State Highway and Transportation Officials KW - Bridges KW - Maintenance and repair KW - Management N1 - On spine: AASHTO guide for bridge maintenance management, 1980 ER -