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Construction of the Iowa Highway 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project

Technical Report Documentation Page

1. Report No.

FHWA-IF-07-034

2. Government Accession No.

3. Recipient's Catalog No.

4. Title and Subtitle

Construction of the Iowa Highway 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project

5. Report Date

July 2007

6. Performing Organization Code

7. Author(s)

David K. Merritt, Alberto J. Miron, Richard B. Rogers, Robert Otto Rasmussen

8. Performing Organization Report No.

9. Performing Organization Name and Address

The Transtec Group, Inc.
6111 Balcones Dr.
Austin, Texas 78731

10. Work Unit No. (TRAIS)

11. Contract or Grant No.

DTFH61-05-C-00035

12. Sponsoring Agency's Name and Address

U.S. Department of Transportation
Federal Highway Administration
Office of Pavement Technology
1200 New Jersey Avenue, SE, HIPT-20
Washington, DC 20590

Iowa Highway Research Board
Iowa Department of Transportation
800 Lincoln Way
Ames, IA 50010

13. Type of Report and Period Covered

Final Report
March 2005–September 2006

14. Sponsoring Agency Code

HIPT-20

15. Supplementary Notes

Contracting Officer's Technical Representative: Sam Tyson, FHWA Office of Pavement Technology 1200 New Jersey Avenue SE, HIPT-20 / E73-440, Washington, DC 20590
E-mail: sam.tyson@dot.gov, Phone: 202-366-1326

16. Abstract

Reconstruction of bridge approach slabs that have failed due to a loss of support from embankment fill consolidation or erosion can be particularly challenging in urban areas where lane closures must be minimized. Precast prestressed concrete pavement is a potential solution for rapid bridge approach slab reconstruction which uses prefabricated pavement panels that can be installed and opened to traffic quickly. To evaluate this solution, the Iowa Department of Transportation constructed a precast prestressed approach slab demonstration project on Highway 60 near Sheldon, Iowa in August/September 2006. Two approach slabs at either end of a new bridge were constructed using precast prestressed concrete panels.

This report documents the successful development, design, and construction of the precast prestressed concrete bridge approach slabs on Highway 60. The report discusses the challenges and issues that were faced during the project and presents recommendations for future implementation of this innovative construction technique.

17. Key Words

precast pavement, precast prestressed concrete pavement, bridge approach, prestressed pavement, rapid construction

18. Distribution Statement

No restrictions.

19. Security Classif. (of this report)

Unclassified

20. Security Classif. (of this page)

Unclassified

21. No. of Pages

101

22. Price

Form DOT F 1700.7 (8-72) Reproduction of completed page authorized

SI (Modern Metric) Conversion Factors

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Updated: 04/07/2011

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United States Department of Transportation - Federal Highway Administration