Old US34 over Missouri River
Cass County, Nebraska · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old US34 over Missouri River in Cass County, Nebraska, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1929 and reconstructed in 2008, making it 96 years old at the 2025 inventory.
- It carries about 1,385 vehicles a day (traffic count year 2012).
- 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 → (41.001, -95.8669)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 4 | Poor condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Continuous steel through truss |
| Length | about 1,413 ft |
| Location | 2E Plattsmouth |
| NBI structure number | S034 38208 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
All bridges nearby: Cass County, NE bridge conditions · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.