Private Foundation

STUPP BROS BRIDGE & IRON FOUNDATION

STUPP BROS BRIDGE & IRON FOUNDATION is a private foundation categorized as Private Foundation based in ST LOUIS, MO. Its most recent IRS filing (2025) reports revenue of $1.1M, expenses of $630K, total assets of $11.5M. Imperigo tracks 630 reported grants from this foundation totaling approximately $3.4M.

EIN: 237412437 ST LOUIS, MO Latest filing: 2025

Total Revenue$1.1M

Total Expenses$630K

Total Assets$11.5M

Grants Given630

Grant Total$3.4M

Filing Years2021–2025

Sample Grants Given

UNITED WAY OF GREATER ST LOUIS

ST LOUIS, MO · 2024

NOT RESTRICTED

$112,000

WASHINGTON UNIVERSITY - KOCH

ST LOUIS, MO · 2024

NOT RESTRICTED

$35,000

MICDS

ST LOUIS, MO · 2024

NOT RESTRICTED

$32,500

THE TOWER GROVE PARK FOUNDATION

ST LOUIS, MO · 2024

NOT RESTRICTED

$20,000

METROPOLITAN GOLF FOUNDATION (NIKLAUS AND NORMANDIE)

ST LOUIS, MO · 2024

NOT RESTRICTED

$20,000

Showing up to 5 of 630 total records — full history available with membership.

Officers & Directors

TRUSTEE John P Stupp Jr

Officer compensation and complete director data available with membership.

Top Grant Purposes

NOT RESTRICTED

$3,381,164 621 grants

NOT RESTRICTD

$10,651 6 grants

NOT RESTRICTE

$3,000 3 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$1.1M	$630K	$11.5M
2024	$578K	$634K	$10.0M
2023	$235K	$536K	$8.8M
2022	$533K	$622K	$8.8M
2021	$1.9M	$682K	$11.0M

Between 2021 and 2025, reported annual revenue declined from $1.9M to $1.1M (-44%), with total assets most recently reported at $11.5M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AL, AR, CA, CO, DC, FL, and 4 other states.

ALARCACODCFLGAILKSKY

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for STUPP BROS BRIDGE & IRON FOUNDATION

Complete financials, all 630 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports