Mo 131 S over Blackwater Rvr
Johnson County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 131 S over Blackwater Rvr in Johnson 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 1963, making it 62 years old at the 2025 inventory.
- It carries about 3,527 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 276 of the 475 inventoried bridges in Johnson County rated fair (58.1%); 33 (6.9%) 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 → (38.8448, -93.99093)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 22 ft |
| Location | S 27 T 47 N R 28 W |
| NBI structure number | 1058 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Johnson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 E over Mayes Br | 1968 | 18,503 | Fair |
| US 50 E over Trib Blackwater Rv | 1924 | 17,553 | Fair |
| Bu 13 S over US 50 | 1959 | 17,494 | Fair |
| US 50 W over Post Oak CR | 1967 | 14,542 | Fair |
| Bu 13 S over UP RR | 1963 | 14,241 | Fair |
| US 50 W over Devils Br | 1967 | 10,624 | Fair |
All bridges nearby: Johnson County, MO bridge conditions · every bridge in Johnson County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.