County Rd 263 over Four Mile Br
Callaway County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 263 over Four Mile Br in Callaway County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 113 of the 305 inventoried bridges in Callaway County rated good (37.0%); 19 (6.2%) 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 September 2024, 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 → (39.01081, -92.03947)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 40 ft |
| Location | S 21 T 49 N R 10 W |
| NBI structure number | 13494 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| 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 Callaway County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Whetstone CR | 1963 | 40,377 | Fair |
| US 54 E over Halifax Br | 1957 | 38,978 | Fair |
| US 54 E over Halifax Br | 1957 | 38,634 | Fair |
| Is 70 E over Sallees CR | 1925 | 38,592 | Fair |
| Is 70 E over Mckinney CR | 1963 | 38,543 | Fair |
| Is 70 E over Maddox Br | 1963 | 38,543 | Fair |
All bridges nearby: Callaway County, MO bridge conditions · every bridge in Callaway County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.