323RD St over Big Br CR
Daviess County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 323RD St over Big Br CR in Daviess County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2000, making it 25 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 106 of the 217 inventoried bridges in Daviess County rated fair (48.8%); 48 (22.1%) are rated poor.
- 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 → (39.78954, -93.78718)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 32 ft |
| Location | S 35 T 58 N R 26 W |
| NBI structure number | 17306 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Daviess County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 35 S over Smith Br | 1966 | 16,430 | Fair |
| Is 35 S over Grand Rvr | 1976 | 8,157 | Fair |
| Is 35 S over Crd Granite Ave Overflo | 1976 | 8,157 | Good |
| Is 35 N over Grand Rvr | 1976 | 7,902 | Fair |
| Is 35 N over Crd Granite Ave Overflo | 1976 | 7,902 | Good |
| Mo 6 E over Big Muddy CR | 2007 | 4,973 | Good |
All bridges nearby: Daviess County, MO bridge conditions · every bridge in Daviess County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.