Mo 3 S over BNSF RR
Macon County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 3 S over BNSF RR in Macon County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 300 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 144 of the 291 inventoried bridges in Macon County rated fair (49.5%); 20 (6.9%) 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 September 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 → (39.76007, -92.62386)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 158 ft |
| Location | S 7 T 57 N R 15 W |
| NBI structure number | 5897 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Macon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 63 S over US 36 | 1971 | 12,582 | Poor |
| US 63 S over BNSF RR | 1985 | 11,335 | Fair |
| US 36 E over Duck CR | 1924 | 11,214 | Fair |
| US 36 E over E Fk Chariton Rvr | 1984 | 10,917 | Fair |
| US 36 E over Winn CR | 1925 | 10,888 | Fair |
| US 36 W over Puzzle CR | 1924 | 9,809 | Fair |
All bridges nearby: Macon County, MO bridge conditions · every bridge in Macon County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.