Rt Ab S over Happy Sock CR
Franklin County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt Ab S over Happy Sock CR in Franklin County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 858 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 186 of the 329 inventoried bridges in Franklin County rated fair (56.5%); 13 (4.0%) 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 → (38.36279, -90.99811)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 31 ft |
| Location | S 23 T 42 N R 1 W |
| NBI structure number | 6927 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 44 E over Pin Oak CR | 1958 | 46,265 | Fair |
| Is 44 E over Winsel CR | 1937 | 39,756 | Fair |
| Is 44 E over Br of Bourbeuse Rv | 1925 | 38,440 | Fair |
| Is 44 E over Br of Bourbeuse Rv | 1949 | 36,909 | Poor |
| US 50 E over Bourbeuse Rvr | 1984 | 35,362 | Fair |
| US 50 E over Bourbeuse Rvr Ovrf | 1984 | 35,362 | Fair |
All bridges nearby: Franklin County, MO bridge conditions · every bridge in Franklin County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.