Best Public Infrastructure Grants in Arizona

Government agencies, nonprofits, and clubs in Arizona can fund large-scale off-highway vehicle trail development, maintenance, and related infrastructure projects, including facilities, design, and clearances. Grants from Arizona State Parks & Trails may also support education and law enforcement components connected to public off-highway vehicle recreation infrastructure.

Governmental entities, nonprofits, and clubs in Arizona can apply for Arizona State Parks & Trails’ Off-Highway Vehicle Recreation Fund small scale grants, awarding up to US $100,000 per project for OHV-related public infrastructure. Funding supports trail development and maintenance, land acquisition, design and engineering, support facilities, clearances, education, and law enforcement.

Governmental entities, nonprofits, and clubs in Arizona can obtain funding to repair off-highway vehicle trails and related public infrastructure damaged by vandalism, fire, or weather, and to address unsafe conditions. Grants from Arizona State Parks & Trails offer up to US $100,000 per project, including support for trash removal and dust mitigation efforts.

Federal, state, county, local, and tribal law enforcement agencies in Arizona can receive up to US $100,000 for off-highway vehicle (OHV) law enforcement equipment, PPE, electronics, and related salary or overtime. Grants from Arizona State Parks & Trails help Arizona public infrastructure and safety agencies strengthen OHV management and enforcement capacity.

Governmental entities, nonprofits, and clubs in Arizona can receive grants to purchase and install off-highway vehicle trail signs, markers, decals, and informational kiosks. Grants from Arizona State Parks & Trails offer up to US $10,000 per project to improve public infrastructure and trail safety through the Off-Highway Vehicle Recreation Fund Signage program.

Arizona public libraries planning construction or facility improvements in Arizona can apply for the Arizona State Library Archives and Public Records’ State Grants-in-Aid Construction program, which reimburses eligible projects requiring a dollar-for-dollar local cash match. Funding can support public infrastructure for library services, including spaces that better serve patrons with disabilities.

Public and nonprofit libraries in Arizona can receive construction and county- or citywide library service funding through the State Grants-in-Aid program, which requires a dollar-for-dollar cash match. With a mission to expand access to information, Arizona State Library provides eligible libraries with support for free, regularly available public library services.

Arizona 501(c)(3) organizations, government agencies, educational institutions, and tribal entities can seek US $1,000 - US $50,000 for Route 66 preservation and related public infrastructure projects in Arizona. Arizona Community Foundation supports preservation, restoration, planning, research, and educational efforts that protect and promote historic Route 66 transportation properties and corridors statewide.

Nonprofit 501(c)(3) organizations in Arizona with at least three years of operation and a $100,000+ budget can seek funding for workforce skills, youth development, inclusive prosperity, or environmental sustainability programs. RBC Foundation USA provides support to initiatives that build job readiness, increase community stability and accessibility, and advance net-zero, climate-focused projects.

U.S. industrial innovators developing thermal or electric energy storage solutions for facilities can access phased prize funding to advance design, prototyping, and validation. The U.S. Department of Energy supports concepts that improve energy efficiency and grid-friendly operation, which may benefit Arizona public infrastructure and industrial sites seeking advanced energy storage technologies.

Researchers and research institutions in the U.S. studying social programs and policies can apply for Arnold Ventures’ quasi-experimental design funding to conduct rigorous causal evaluations. Grants from Arnold Ventures help Arizona public infrastructure, higher education, workforce, reproductive health, and related policy researchers build evidence on what works to inform government decision-making.

Focused on public infrastructure, USDA: Rural Development invites Arizona state and local governments, nonprofits, and tribes to seek funding for predevelopment planning of rural water and waste disposal projects. Eligible very small, financially distressed rural communities can use support for feasibility studies, preliminary design, engineering analysis, and technical assistance for future facility improvements.

Arizona community partnerships led by a 501(c)(3) can seek funding for public infrastructure-related workforce development, job creation, and inclusive economic initiatives through the Funders' Network Partners for Places Jobs and Inclusive Infrastructure Initiative. Grants from Funders' Network for Smart Growth and Livable Communities offer US $45,000 - US $120,000 for human infrastructure supporting equitable, water-focused or other public infrastructure projects already backed by public funds.

Neighborhood and Block Watch groups in low- and moderate-income areas of Arizona can access funding for public infrastructure and neighborhood enhancement projects through the City of Phoenix’s Community Development Block Grant program. Grants from City of Phoenix help eligible neighborhoods partner with city departments to improve local facilities, safety, and community spaces.

Universities, research institutions, and public agencies working on transportation policy and infrastructure in Arizona can seek funding for research, data, and policy development projects that improve U.S. transportation systems. With a mission to improve lives through evidence-based solutions, Arnold Ventures supports work on capital investment reform, cost control, access, performance-based selection, and related public infrastructure issues, with awards up to US $200,000.

Public agencies planning advanced transportation and public infrastructure projects in Arizona can seek funding to deploy, install, and operate innovative technologies that improve safety, mobility, and system performance. DOT Federal Highway Administration’s ATTAIN program offers up to US $12,000,000 per project and may support congestion management, intermodal connectivity, and stronger infrastructure return on investment.

Public agencies and partners developing marine highway transportation projects, including those benefiting Arizona, can seek up to US $12,000,000 to expand or improve public infrastructure that shifts freight or passengers off congested roads. With a mission to strengthen marine transportation options, the US Department of Transportation Maritime Administration funds projects that reduce landside congestion and promote Marine Highway Routes.

The Fiscal Year 2026 National Dam Safety Program focuses on rehabilitating high hazard potential dams that do not meet state safety standards. Funded by FEMA, this initiative aims to protect lives and property by providing federal funds to eligible states, which then pass these funds to non-Federal governmental or nonprofit organizations. Rehabilitation involves repairing, replacing, reconstructing, or removing dams to ensure compliance with safety regulations.

Adam R Scripps Foundation

Adam Scripps lived a life of humble generosity, helping to improve the lives of others without seeking recognition or fanfare for himself. The family-run Adam R. Scripps Foundation, established posthumously in 2023, allocates millions annually to his cherished causes like animal welfare and community development, with grants overseen by his relatives to honor his legacy.

Honoring Adam’s legacy, we make grants to collaborate, provide support and build resources that create opportunities and transformative pathways. For generations to come, we will improve lives and transform communities because we are a leader in family philanthropy. We value helping communities create lasting change. We do this through compassion, love of neighbor, humility, and generosity.

Local Community Grant

A genuine love of neighbor inspired Adam to help others, and his example inspires us to sustain his support of local communities.  

Driven by Adam’s sense of civic responsibility, the foundation is focused on initiatives to support both community infrastructure and the citizens for whom that infrastructure is designed, including:

• Parks and greenspaces
• Recreation facilities
• Visual and performing arts
• Community service organizations
• Historic building preservation
• Festival sponsorship
• Veterans’ organizations

The FY26 Bollards Competitive Grant Program aims to enhance pedestrian safety by funding bollard installation projects. This initiative targets areas frequented by large crowds to prevent injuries and potential acts of terrorism. Eligible applicants include State Departments of Transportation and local government entities, with a 100% federal funding share for projects. This program is vital for improving public safety in urban environments.

Federally recognized Indian Tribes in Arizona can seek funding to plan, design, construct, rehabilitate, or inspect unsafe or aging transportation bridges that serve their communities. Focused on public infrastructure, the Federal Highway Administration’s TTP Bridge Program supports improvements to BIA/Tribally owned and other eligible bridges in poor condition or with low load capacity.

Arizona public infrastructure and transportation agencies, along with state, local, Tribal governments and port authorities, can seek funding for major surface transportation infrastructure projects through the Better Utilizing Investments to Leverage Development (BUILD) program. Grants from the US Department of Transportation provide up to US $25,000,000 for multi-modal, multi-jurisdictional projects with significant local or regional impact across the U.S. territories and states.

The Community Traffic Safety Grants, initiated by the Road to Zero Coalition, aim to eliminate traffic fatalities by 2050 through innovative, evidence-based approaches. The program invites proposals from Road to Zero Coalition members, particularly non-profits and government entities, to implement effective countermeasures that enhance traffic safety and address mobility disparities. Projects should be replicable and scalable, demonstrating measurable outcomes and contributing to a positive safety culture on U.S. roads.

The Smart Growth America Community Connectors Grant Program supports small and mid-sized cities in addressing divisive infrastructure caused by dangerous roads. With funding from the Robert Wood Johnson Foundation, this program aims to reconnect communities through temporary street safety projects while fostering skills and partnerships. Eligible teams must represent populations of 50,000 to 500,000 and include both government and community-based organizations. Priority will be given to projects benefiting low-income communities historically affected by disinvestment.

SC Johnson Grants aim to enhance community welfare through charitable contributions, focusing on health, sustainability, and opportunity. Since 1937, the company has committed five percent of its pretax profits to support registered charities and nonprofit organizations, especially in areas where it operates. The grant program prioritizes initiatives addressing healthcare access, environmental conservation, and educational equity, ensuring that efforts align with the values of community service and corporate responsibility.

The GM Corporate Giving Grants support U.S.-based 501(c)(3) nonprofit organizations focused on STEM education and transportation initiatives. Applications are accepted from January to September, with a requirement to submit requests at least three months before the program’s start date. GM emphasizes charitable contributions in the communities where it operates, ensuring that organizations align with its values. The grant amount is not limited and is assessed based on the proposed program's merit and needs.

The Community Ties Giving Program by Union Pacific Foundation offers local grants aimed at enhancing community well-being through diverse funding priorities. These include safety initiatives, workforce development, community vitality, and environmental sustainability. The program emphasizes supporting organizations that promote diversity, equity, and inclusion, aiming to create impactful projects that resonate with Union Pacific's heritage and mission. Eligible applicants must be nonprofit organizations serving Union Pacific communities and demonstrate a clear need and capacity to deliver effective programming.