County Rd 531 over School Hollow Br
Osage County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 531 over School Hollow Br in Osage County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2018, making it 7 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 38 of the 99 inventoried bridges in Osage County rated good (38.4%); 17 (17.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2023, on a 24-month routine inspection cycle.
- 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 → (38.31528, -91.96)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 102 ft |
| Location | S 7 T 41 N R 9 W |
| NBI structure number | 35824 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Osage County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 E over Laughlin CR | 1990 | 10,203 | Fair |
| US 50 E over Linn CR | 1990 | 10,203 | Fair |
| US 63 S over Schmitz CR | 1929 | 9,732 | Fair |
| US 50 W over Osage Rvr Crd Conservat | 1960 | 9,459 | Fair |
| US 63 S over Maries Rvr | 1985 | 7,974 | Good |
| US 63 S over Maries Rvr Ovrfl | 1985 | 7,974 | Fair |
All bridges nearby: Osage County, MO bridge conditions · every bridge in Osage County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.