Mo 30 E over River Des Peres
St. Louis city, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 30 E over River Des Peres in St. Louis city, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 16,472 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 139 of the 239 inventoried bridges in St. Louis city rated fair (58.2%); 22 (9.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.56354, -90.29532)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 223 ft |
| Location | S 12 T 44 N R 6 E |
| NBI structure number | 30665 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in St. Louis city
| 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 |
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.