Graystone Rd S over Is 29
Holt County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Graystone Rd S over Is 29 in Holt County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 14 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 78 of the 170 inventoried bridges in Holt County rated fair (45.9%); 25 (14.7%) 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 → (40.17962, -95.31332)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 267 ft |
| Location | S 16 T 62 N R 39 W |
| NBI structure number | 1603 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Holt County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 29 S over Blair CR | 1972 | 19,157 | Fair |
| Is 29 S over Kimsey Br | 1972 | 17,561 | Fair |
| Is 29 S over Davis CR | 1972 | 10,088 | Fair |
| Is 29 S over Rt E | 1972 | 10,088 | Good |
| Is 29 N over Davis CR | 1972 | 9,069 | Fair |
| Is 29 N over Rt E | 1972 | 9,069 | Good |
All bridges nearby: Holt County, MO bridge conditions · every bridge in Holt County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.