Rt Dd E over Niangua Rvr
Dallas County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt Dd E over Niangua Rvr in Dallas 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 1957, making it 68 years old at the 2025 inventory.
- It carries about 468 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 75 of the 114 inventoried bridges in Dallas County rated fair (65.8%); 11 (9.6%) 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 → (37.68229, -93.05268)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 37 ft |
| Location | S 7 T 34 N R 19 W |
| NBI structure number | 6822 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Dallas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 65 S over Wilson CR | 1992 | 9,071 | Fair |
| US 65 S over Buffalo CR | 1992 | 7,502 | Fair |
| US 65 S over Hankens CR | 1992 | 7,502 | Fair |
| US 65 S over Br of Lindley CR | 1928 | 5,307 | Fair |
| US 65 S over Lindley CR | 1928 | 5,290 | Fair |
| US 65 S over Br of Lindley CR | 1928 | 5,290 | Fair |
All bridges nearby: Dallas County, MO bridge conditions · every bridge in Dallas County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.