FM Legno over Devils Run
Iowa County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM Legno over Devils Run in Iowa County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1900 and reconstructed in 2005, making it 125 years old at the 2025 inventory.
- Its listed owner is the county highway agency.
- It is one of 45 of the 239 inventoried bridges in Iowa County rated poor (18.8%); 45 (18.8%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2014, on a 24-month routine inspection cycle.
- 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 → (41.64464, -92.19885)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 3 | 3 | Serious condition |
| Superstructure | 2 | 2 | Critical condition |
| Substructure | 2 | 2 | Critical condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 32 ft |
| Location | 079122401 |
| NBI structure number | 000000000189910 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | April 2014 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Iowa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 over Clear Creek | 1963 | 33,800 | Good |
| I 80 over Stream | 1963 | 33,000 | Fair |
| I-80 over No Name Creek | 1963 | 31,400 | Fair |
| I-80 over Stream | 1962 | 30,300 | Fair |
| I-80 over Old Mans Creek | 1962 | 30,100 | Fair |
| I-80 over Stream | 1961 | 29,700 | Good |
All bridges nearby: Iowa County, IA bridge conditions · every bridge in Iowa County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.