Description:
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.
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Date Published:
January, 1987
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Publication Number:
WA-RD 106.1
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Last Modified:
August 24, 2007
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Author:
Don Gripne.
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Originator:
Washington (State). Dept. of Transportation.
- # of Pages: 14 p., 432 KB (PDF)
- Subject: Bridge railings, 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: Final Report, FHWA Demonstration Project No. 64, (WA-RD 106.2).
This abstract was last modified April 29, 2008