County Rd 479 over Branch
Lewis County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 479 over Branch in Lewis 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 1999, making it 26 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 116 of the 172 inventoried bridges in Lewis County rated fair (67.4%); 10 (5.8%) 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 February 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 → (40.22225, -91.63187)
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 | Steel stringer or multi-beam girder |
| Length | about 29 ft |
| Location | S 26 T 63 N R 7 W |
| NBI structure number | 28369 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 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 Lewis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 S over Big Br CR | 1999 | 14,279 | Fair |
| US 61 S over Bland Br Ck | 2005 | 14,279 | Fair |
| US 61 S over Unnamed CR | 2005 | 14,279 | Fair |
| US 61 S over Unnamed CR | 2005 | 14,279 | Fair |
| US 61 S over Artesian Br CR | 2005 | 7,886 | Fair |
| US 61 N over Waconda Rvr | 2001 | 7,505 | Good |
All bridges nearby: Lewis County, MO bridge conditions · every bridge in Lewis County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.