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Strengthening American Infrastructure

Agency: U.S. National Science Foundation

Assistance Listings: 47.083 -- Integrative Activities

47.041 -- Engineering

47.070 -- Computer and Information Science and Engineering

47.076 -- STEM Education (formerly Education and Human Resources)

47.075 -- Social, Behavioral, and Economic Sciences

47.074 -- Biological Sciences

47.049 -- Mathematical and Physical Sciences

47.050 -- Geosciences

Last Updated: April 25, 2025

Funding opportunity

Summary

Strengthening American Infrastructure (SAI) is an NSF program seeking to stimulate human-centered, use-inspired, fundamental and potentially transformative research aimed at strengthening America’s infrastructure. Effective infrastructure provides a strong foundation for socioeconomic vitality and broad improvement in quality of life. Robust, reliable and effective infrastructure spurs private-sector innovation, grows the economy, creates jobs, makes public-sector service provision more efficient, strengthens...

Eligibility

Eligible applicants

Other

Additional information

*Who May Submit Proposals: Proposals may only be submitted by the following: -For-profit organizations: U.S.-based commercial organizations, including small businesses, with strong capabilities in scientific or engineering research or education and a passion for innovation. -Non-profit, non-academic organizations: Independent museums, observatories, research laboratories, professional societies and similar organizations located in the U.S. that are directly associated with educational or research activities. -Institutions of Higher Education (IHEs): Two- and four-year IHEs (including community colleges) accredited in, and having a campus located in the US, acting on behalf of their faculty members. Special Instructions for International Branch Campuses of US IHEs: If the proposal includes funding to be provided to an international branch campus of a US institution of higher education (including through use of sub-awards and consultant arrangements), the proposer must explain the benefit(s) to the project of performance at the international branch campus, and justify why the project activities cannot be performed at the US campus. -Tribal Nations: An American Indian or Alaska Native tribe, band, nation, pueblo, village, or community that the Secretary of the Interior acknowledges as a federally recognized tribe pursuant to the Federally Recognized Indian Tribe List Act of 1994, 25 U.S.C. §§ 5130-5131. *Who May Serve as PI: PIs must hold appointments at U.S.-based campuses/offices of eligible organizations (IHEs, Non-profit, non-academic organizations, For-profit organizations, Tribal Nations). There are no restrictions on who may serve as co-PIs, Senior/Key Personnel, or Consultant.

Grantor contact information

Description

NSF grants.gov support grantsgovsupport@nsf.gov

Email

If you have any problems linking to this funding announcement, please contact the email address above.

grantsgovsupport@nsf.gov

Documents

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Link to additional information

NSF Publication 25-534

Closing: March 6, 2026

Application process

This site is a work in progress. Go to www.grants.gov to apply, track application status, and subscribe to updates.

Award

$9,600,000

Program Funding

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Expected awards

$750,000

Award Ceiling

$50,000

Award Floor

Funding opportunity number:

25-534

Cost sharing or matching requirement:

No

Funding instrument type:

Grant

Opportunity Category:

Discretionary

Opportunity Category Explanation:

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Category of Funding Activity:

Science technology and other research and development

Category Explanation:

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History

Version:

3

Posted date:

January 16, 2025

Archive date:

April 5, 2026

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