FM over Brushy Creek
Guthrie County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM over Brushy Creek in Guthrie County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976 and reconstructed in 2015, making it 49 years old at the 2025 inventory.
- It carries about 26 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 104 of the 263 inventoried bridges in Guthrie County rated fair (39.5%); 94 (35.7%) are rated poor.
- Its traffic status in the 2025 inventory is posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (41.744, -94.53665)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 184 ft |
| Location | 080321404 |
| NBI structure number | 000000000169211 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Guthrie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 44 over Bays Branch Creek | 1981 | 3,460 | Good |
| Ia 44 over Branch Mosquito Creek | 1981 | 3,460 | Fair |
| Ia 25 over South Raccoon River | 1983 | 3,200 | Good |
| Ia 44 over Brushy Creek | 1972 | 3,200 | Fair |
| Ia 44 over Middle Raccoon River | 1972 | 3,200 | Fair |
| Ia 141 over Dry Run Creek | 2004 | 2,160 | Good |
All bridges nearby: Guthrie County, IA bridge conditions · every bridge in Guthrie County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.