Infrastructure Topics
- Asset Management
- Bridges & Structures
- Construction
- Design
- Federal-aid Program Administration
- Federal-aid Programs and Special Funding
- Geotechnical
- Hydraulics
- Major Projects
- Pavements
- Preservation
- Transportation Performance Management
About Infrastructure
The Office of Infrastructure provides leadership, technical expertise, and program assistance to help sustain America's mobility in:
Policy and Guidance
- Implementation Guidance for the Condition of National Highway System (NHS) Bridges (10/02/2017)
- TPM Frequently Asked Questions (FAQs) (October, 2017)
- Geotechnical Engineering Circular No. 13 Ground Modification Methods Reference Manual - Volume II (.pdf) (April, 2017)
- Geotechnical Engineering Circular No. 13 Ground Modification Methods Reference Manual - Volume I (.pdf) (April, 2017)
- Eligibility of Construction and Highway Safety Equipment Acquisition Costs as a Direct Charge (09/08/2017)
- Visit the Policy and Guidance Center
Highway History
Ever wonder why Congress didn't pass the Federal-Aid Highway Act of 1956 in 1955? Do you blame the future for our traffic problems? Did the 50th anniversary of the Interstate System in 2006 make you forget other historic milestones celebrated that year? And what's the big deal about the Interstate System anyway? These and many other highway history questions are answered on the Highway history page. In addition, you will find features such as: