Ibert Rd over Unnamed Str
Linn County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ibert Rd over Unnamed Str in Linn 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 1940, making it 85 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 138 of the 313 inventoried bridges in Linn County rated fair (44.1%); 56 (17.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 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 → (39.85265, -93.06054)
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 | Steel stringer or multi-beam girder |
| Length | about 23 ft |
| Location | S 18 T 58 N R 19 W |
| NBI structure number | 19120 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Linn County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 36 E over S Br of Muddy CR | 1961 | 13,161 | Fair |
| US 36 E over Lit Turkey CR | 1961 | 12,912 | Fair |
| US 36 E over Elk CR | 1955 | 11,581 | Fair |
| US 36 E over Van Dorsen CR | 1924 | 9,524 | Fair |
| US 36 E over Mussel Fk | 1951 | 9,524 | Fair |
| US 36 E over E Yellow CR | 1955 | 9,427 | Fair |
All bridges nearby: Linn County, MO bridge conditions · every bridge in Linn County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.