E 340 St over Cypress CR
Harrison County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- E 340 St over Cypress CR in Harrison County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 131 of the 331 inventoried bridges in Harrison County rated good (39.6%); 74 (22.4%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.22113, -93.972)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 24 ft |
| Location | S 29 T 63 N R 27 W |
| NBI structure number | 29399 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Harrison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 35 S over Bracken Br | 1968 | 15,191 | Fair |
| Is 35 S over Barber CR | 1968 | 15,191 | Fair |
| Is 35 S over Lit Pole Cat CR | 1975 | 14,537 | Fair |
| Is 35 S over Zadie CR | 1968 | 7,850 | Fair |
| Is 35 S over Crd E 100 St | 1969 | 7,850 | Fair |
| Is 35 N over Sp 69 Abandoned RR | 1972 | 7,564 | Fair |
All bridges nearby: Harrison County, MO bridge conditions · every bridge in Harrison County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.