Bridge conditions in St. Louis city, Missouri
239 inventoried bridges · 22 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 239 bridges in St. Louis city: 78 rated good, 139 fair, and 22 poor.
- 22 of the 239 bridges in St. Louis city, Missouri, are rated in poor condition (9.2%) in the 2025 National Bridge Inventory, as of .
- 78 bridges (32.6%) are rated good and 139 (58.2%) fair.
- The median St. Louis city bridge was built in 1981.
- The busiest poor-rated bridge is Is 64 E over Cst Vandeventer Ave Cst (built 1956), carrying about 59,295 vehicles a day.
Good 32.6% · Fair 58.2% · Poor 9.2% of 239 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 64 E over Cst Vandeventer Ave Cst | 1956 | 59,295 | Poor |
| Kingshighway over Metrolink | 1937 | 45,900 | Poor |
| Is 55 N over Mo Pac RR | 1963 | 44,800 | Poor |
| Is 64 E over Is 44 Cst 4TH St Cst | 1964 | 34,244 | Poor |
| Lindell-union over Forest Park Pkwy | 1961 | 33,500 | Poor |
| Lindell-union over Metrolink | 1929 | 30,000 | Poor |
| Loughborough Ave over UP RR | 1957 | 21,390 | Poor |
| Tucker Blvd over Trra & UP RR | 1979 | 21,000 | Poor |
| West Florissant Av over Trra RR | 1959 | 17,689 | Poor |
| Ticketing Dr over Baggage Claim Dr | 1970 | 15,000 | Poor |
| Compton Ave over Mo Pac Bn N&W RR | 1965 | 14,270 | Poor |
| Tucker Blvd N over Is 55 Is 44 | 1965 | 13,991 | Poor |
| Southwest Ave over UP RR | 1961 | 10,460 | Poor |
| Grand Ave over UP RR | 1913 | 10,200 | Poor |
| Rp IS64E to Grand over Fdrl Sign Co Entr | 1960 | 6,137 | Poor |
| Grand Dr over Metrolink | 1936 | 5,000 | Poor |
| Columbia Ave over UP RR | 1913 | 4,060 | Poor |
| Laural & Waterman over Metrolink | 1936 | 3,800 | Poor |
| Grand Dr over Forest Park Pkwy | 1961 | 3,500 | Poor |
| Hamilton over Metrolink | 1936 | 1,300 | Poor |
| Theater Dr over Rvr Des Peres Lago | 1922 | 1,000 | Poor |
| Sulphur Ave over Rvr Des Peres | 1970 | 200 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 64 E over Cst Mccausland Ave | 2008 | 159,584 | Good |
| Is 70 E over Mo 367 | 1999 | 137,346 | Fair |
| Is 55 S over Cst S Lenore K Sulliva | 1963 | 120,209 | Fair |
| Is 70 E over Cst Branch St | 1999 | 113,474 | Fair |
| Is 70 E over Cst Angelica St | 1999 | 100,176 | Fair |
| Is 70 E over St Louis Terminal | 1999 | 95,646 | Fair |
| Is 70 E over Cst Grand Blvd | 1999 | 95,308 | Fair |
| Is 55 S over River Des Peres Cst Ger | 1963 | 92,999 | Good |
| Is 70 E over Cst Prairie Ave | 1998 | 90,791 | Fair |
| Is 55 S over Cst Koeln Ave | 1963 | 88,981 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.