Research Project

Bridge Rails and Approach Railing for Low-Volume Roads in Iowa (TR-592)

Researcher(s)

Principal investigator: Brent Phares, 515-294-5879, bphares@iastate.edu (project list)

Co-principal investigators:

Zachary Hans, 515-294-2329, zhans@iastate.edu (project list)

Project status

In progress

Start date: 08/01/08
End date: 07/31/09

Sponsor(s)/partner(s)

Sponsor(s):Iowa Department of Transportation
Iowa Highway Research Board

About the research

Research objective: Provide guidance to county engineers for replacement or upgrading bridge and bridge approach guard railing by --Determining the criteria and guidelines used by other states for bridge and approach guardrail implementation for low and very low-volume roads. --Performing benefit/cost analysis for using bridge and approach guardrails based on traffic levels and road classifications. --Investigating the use of non-standard and innovative bridge and approach guardrails for low-volume roads.

2711 S. Loop Drive, Suite 4700, Ames, Iowa 50010-8664
Phone: 515-294-9501 ~ Fax: 515-294-0467
The Bridge Engineering Center is administered by Iowa State University's Institute for Transportation.