Sulphur Ave over Rvr Des Peres

St. Louis city, Missouri · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• Sulphur Ave over Rvr Des Peres in St. Louis city, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
• It was built in 1970, making it 55 years old at the 2025 inventory.
• It carries about 200 vehicles a day (traffic count year 2023).
• Its listed owner is a city or municipal highway agency.
• It is one of 22 of the 239 inventoried bridges in St. Louis city rated poor (9.2%); 22 (9.2%) are rated poor.
• A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

View this bridge on a map → (38.62153, -90.28637)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.

Busiest bridges in St. Louis city

All bridges nearby: St. Louis city, MO bridge conditions · every bridge in St. Louis city · Missouri bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.