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Infrastructure & Transportation

Grants for roads, bridges, water systems, broadband, transit, and public works projects.

392
Active Grants
5+
Funding Agencies

Top Funders

Top Funding Agencies

U.S. National Science Foundation
State Water Resources Control Board
Department of Fish and Wildlife
San Gabriel and Lower Los Angeles Rivers and Mountains Conservancy
COLORADO WATERSHED ASSEMBLY

Grant Types

What You'll Find

Bridge replacement and rehabilitation grants
Public transit capital and operations funding
Safe streets and active transportation programs
Drinking water and wastewater infrastructure
Port and freight logistics improvements
Airport terminal and safety programs
Broadband deployment in underserved areas

Sample Opportunities

Representative Grants

See all 392 grants

Relevant to this topic. Complete your profile to check your organization’s eligibility and application requirements.

Kansas Department of Transportation (KDOT) — Kansas State Infrastructure Bank
$100,000 – $20,000,000
TransportationRoads & BridgesTransit

Kansas SIB provides low-cost financing for local governments and transit agencies for transportation infrastructure including road improvements, bridg…

Santa Monica Mountains Conservancy
Varies – $8,646,387
Environment & Water

The Water Quality, Supply, and Infrastructure Improvement Act of 2014 (Proposition 1) iscodified as Division 26.7 of the Water Code. Proposition 1 aut…

Environmental Protection Agency
Closes Oct 15, 2026

The U.S. Environmental Protection Agency (EPA) is soliciting applications under the authority of the Safe Drinking Water Act (SDWA) section 1459E to a…

Michigan Department of Transportation (MDOT) — Michigan Transportation Fund
$500,000 – $50,000,000
TransportationRoads & BridgesTransitAviation

Michigan SIB loans support highway, bridge, transit, aviation, rail freight, and intermodal transportation infrastructure projects. Eligible applicant…

Infrastructure and Economic Development Bank
Varies – $100,000,000
EnergyEnvironment & WaterHousing, Community and Economic DevelopmentLibraries and Arts+1 more

ISRF loans can fund a wide variety of projects – including water and wastewater treatment plant upgrades or construction, venue or airport constructio…

COLORADO WATERSHED ASSEMBLY
Closes Oct 13, 2026

The Water Quality Control Division's (WQCD) Local Assistance Unit is seeking water systems that could benefit from financial assistance to help reach…

DOC NIST ERA
Closes Nov 17, 2026

NTIA is soliciting applications for funds remaining under the Tribal Broadband Connectivity Program (TBCP), authorized by the Consolidated Appropriati…

Bureau of Reclamation
Closes Sep 8, 2027

The objective of the WaterSMART Enhancing Water Resources Projects funding opportunity is to invite eligible entities to apply for funding to implemen…

Rural Utilities Service
Community Development

APPLICATIONS ARE TO BE SUBMITTED ELECTRONICALLY THROUGH RD APPLY AT: https://rdapply.sc.egov.usda.gov/ . This posting at grants.gov is informational o…

State Water Resources Control Board
Varies – $280,000,000
Disadvantaged CommunitiesEnvironment & Water

The Division of Financial Assistant (DFA), State Water Board manages the DWSRF program and prioritizes financing for projects that address the most se…

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Federal Legislation

Related Legislation

Major federal laws driving infrastructure & transportation funding. Track appropriations, award timelines, and open grant opportunities.

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Infrastructure & Transportation grants: common questions

How many infrastructure & transportation grants are available right now?

GrantSonar is tracking 392 open infrastructure & transportation grants as of today. That count reflects opportunities that are currently accepting applications — closed rounds and award announcements are excluded, which is why it is smaller than the headline figures some directories advertise. Federal, state and foundation sources are re-ingested daily.

Who funds infrastructure & transportation grants?

The most active funders behind the 392 open infrastructure & transportation grants on this page are U.S. National Science Foundation, State Water Resources Control Board and Department of Fish and Wildlife. Foundation funders are profiled from public IRS Form 990 / 990-PF filings, so you can see a funder's actual past giving rather than only its stated priorities.

Who is eligible for infrastructure & transportation grants?

Eligibility for infrastructure & transportation grants varies by opportunity, but the listings on this page are open to nonprofits, government agencies, school districts and other eligible organizations. Each listing states its own eligible applicant types, and GrantSonar filters your matches against your organization type, geography and programs so ineligible opportunities are demoted rather than surfaced.

When are the deadlines for infrastructure & transportation grants?

Deadlines differ per opportunity and some are rolling with no fixed close date. Every listing on this page shows its own close date where the funder publishes one, and GrantSonar re-checks source pages so a deadline that moves is picked up rather than left stale.

Is there a free way to search infrastructure & transportation grants?

Yes. This page is free to browse with no account. A free GrantSonar account additionally matches these infrastructure & transportation grants against your organization's profile and eligibility, so you get a ranked shortlist rather than a list you filter by hand.

How often is this list of infrastructure & transportation grants updated?

Daily. Federal, state and foundation sources are re-ingested every day, duplicate listings are collapsed onto a canonical record, and listing URLs are checked for rot — a stale catalogue is worse than a smaller current one, so dead links are flagged rather than left to look live.