County Rd 152 over Sons CR Br
Dade County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 152 over Sons CR Br in Dade County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1935, making it 90 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 93 of the 160 inventoried bridges in Dade County rated fair (58.1%); 8 (5.0%) 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 January 2024, 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 → (37.3607, -93.93924)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 22 ft |
| Location | S 6 T 30 N R 27 W |
| NBI structure number | 24074 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Dade County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 160 E over Horse CR | 1969 | 1,938 | Fair |
| US 160 E over N Fk of Spring Rvr | 1928 | 1,938 | Fair |
| US 160 E over Sons CR | 1969 | 1,827 | Fair |
| US 160 E over Br of Sons CR | 1969 | 1,827 | Fair |
| US 160 E over Dry Br | 1928 | 1,607 | Fair |
| US 160 E over Kile CR | 1930 | 1,607 | Poor |
All bridges nearby: Dade County, MO bridge conditions · every bridge in Dade County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.