The Washington State Department of Transportation (WSDOT) designed and installed Service Level 1 (SL-1) bridge rails on three treated timber bridges in the state. To date, there have been no accidents or maintenance problems reported at any of the modified bridges.
August 24, 2007
Washington (State). Dept. of Transportation.
- # of Pages: 11 p., 167 KB (PDF)
- Subject: Bridge railings, Evaluation and assessment, Guardrails, Roads, Safety, Wooden bridges.
- Keywords: Bridge rail modification, rail for timber bridge, Middle Nemah River Bridge No. 101/31, Jorgenson Slough Bridge No. 101/22, Coulter Creek Bridge No. 302/3, SR 101, SR 106.
- Related Publications: Traffic Barrier Systems Service Level 1 (SL-1) Bridge Rail: Initial Report, FHWA Demonstration Project No. 64, (WA-RD 106.1).
This abstract was last modified April 29, 2008