CR 85 over W Prongs Son CR
Dade County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 85 over W Prongs Son CR in Dade 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 2022, making it 3 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 59 of the 160 inventoried bridges in Dade County rated good (36.9%); 8 (5.0%) are rated poor.
- 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 → (37.45731, -93.92556)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 9 | Excellent condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 77 ft |
| Location | S 5 T 31 N R 27 W |
| NBI structure number | 36717 |
| Condition class | Good |
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.