Old Hwy 100 over Dubois CR
Franklin County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old Hwy 100 over Dubois CR in Franklin County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 1,000 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 13 of the 329 inventoried bridges in Franklin County rated poor (4.0%); 13 (4.0%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (38.54043, -90.97381)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 187 ft |
| Location | S 1923 T 44 N R 1 W |
| NBI structure number | 23794 |
| Condition class | Poor |
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.