Monitoring of Bridge Abutment Walls at SR 33 Over East State St. (Athens, OH)

District 10 personnel of Ohio DOT recently noticed signs of deterioration (such as backfill infiltration, wall cracking) on the bridge abutment walls existing under the S.R. 33 bridge over East State St. in Athens, Ohio. A research project was conducted by the ORITE researcher to monitor possible rotational movements of the abutment walls for two years, which included the period before, during, and after the rehabilitation work. A tilt-meter station was established in the lower section of each of the ten abutment wall panels. Additional measurements were also taken manually at the top of the abutment walls to detect wall movements. Both the tilt-meter and manual measurements were taken monthly from December 2004 to November 2006. Visual inspections were conducted at the project site a few times during the project. In addition, cone penetration test (CPT) sounding was performed in October 2004 to gather high-resolution subsurface data of the highway embankment soil behind the abutment walls existing on the north side of East State St. The tilt-meter and manual measurements collected during the project showed that all the abutment walls remained stable during the two-year period. Initial visual inspection revealed that each panel had at least one vertical crack running through the wall. Subsequent visual inspection detected no new cracks on the abutment walls. The CPT sounding data indicated that wet and soft soil layers were present in some parts of the embankment fill. Based on the findings of the project, implementation plans were presented to address rehabilitation work and future monitoring issues.

Language

  • English

Media Info

  • Media Type: Digital/other
  • Edition: Final Report
  • Features: Figures; Photos; Tables;
  • Pagination: 56p

Subject/Index Terms

Filing Info

  • Accession Number: 01053570
  • Record Type: Publication
  • Report/Paper Numbers: FHWA/OH-2007/02
  • Contract Numbers: State Job No. 505953 (0)
  • Files: NTL, TRIS, ATRI, USDOT, STATEDOT
  • Created Date: Jun 30 2007 2:24PM