US 63 S over Patterson St
Adair County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 63 S over Patterson St in Adair County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2009, making it 16 years old at the 2025 inventory.
- It carries about 4,655 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 99 of the 301 inventoried bridges in Adair County rated fair (32.9%); 17 (5.6%) 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 December 2023, on a 24-month routine inspection cycle.
- 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 → (40.18617, -92.55248)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 57 ft |
| Location | S 11 T 62 N R 15 W |
| NBI structure number | 32806 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Adair County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over Steer CR | 1995 | 15,108 | Fair |
| Mo 6 E over Steer CR | 1995 | 13,826 | Fair |
| US 63 S over Long Branch CR | 1925 | 8,532 | Fair |
| US 63 S over Unnamed Stream | 2009 | 7,393 | Fair |
| US 63 S over Floyd CR | 1987 | 7,393 | Fair |
| Mo 11 S over Bear CR Br | 1925 | 5,924 | Fair |
All bridges nearby: Adair County, MO bridge conditions · every bridge in Adair County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.