Mo 31 S over James Br
Buchanan County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 31 S over James Br in Buchanan County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 638 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 149 of the 246 inventoried bridges in Buchanan County rated fair (60.6%); 19 (7.7%) 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 → (39.71994, -94.64192)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 24 ft |
| Location | S 30 T 56 N R 33 W |
| NBI structure number | 5849 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Buchanan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 29 S over Bee CR Br | 1958 | 35,463 | Fair |
| 6TH St-us 59 over BNSF RR | 1983 | 23,450 | Fair |
| Is 29 S over US 36 | 1958 | 21,784 | Fair |
| Is 29 N over US 36 | 1958 | 20,343 | Fair |
| Is 29 N over Cst Easton Rd Abandoned | 1958 | 20,343 | Fair |
| US 36 E over US 169 | 1961 | 20,169 | Fair |
All bridges nearby: Buchanan County, MO bridge conditions · every bridge in Buchanan County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.