Tom H. Roper

• Bridge No. 5/725, Alger Road undercrossing, Bridge No. 5/803, Samish Inn undercrossing, Bridge No. 5/807, South Bellingham undercrossing
• Bridge No. 513/32, SR 5 overcrossing, NE 145th Street
• Chemical sealers as corrosion inhibitors, Naselle River bridge 101/24, WA-RD 302.1
• Darex corrosion inhibitor
• Martin Way o'xing Ceva-crete expansion joint system
• Martin Way o'xing [i.e., overcrossing] Ceva-Crete expansion joint system
• Pacific Avenue o'xing [i.e., overcrossing] Evazote 50 expansion joint seal
• Thin overlay, Custer Way undercrossing 5/316
• Thin overlay, South 154th Street overcrossing 5/523E
• Thin overlay, SR 5 OC bridge 900/12W, SR 5 OC bridge 900/13W