Rock Rd over Prairie Hollow CR
Wright County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rock Rd over Prairie Hollow CR in Wright County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 29 of the 131 inventoried bridges in Wright County rated good (22.1%); 15 (11.5%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.09248, -92.59762)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 21 ft |
| Location | S 29 T 28 N R 15 W |
| NBI structure number | 20001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Wright County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 60 E over Wolf CR | 1957 | 16,355 | Fair |
| US 60 E over Fry CR | 1957 | 13,018 | Fair |
| US 60 E over Fk Spence CR | 1957 | 13,018 | Fair |
| US 60 E over Spence CR | 1977 | 13,018 | Fair |
| US 60 E over Whetstone CR | 1974 | 12,401 | Fair |
| Mo 95 S over US 60 | 1974 | 10,696 | Fair |
All bridges nearby: Wright County, MO bridge conditions · every bridge in Wright County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.