Ia 141 over Drainage Ditch
Woodbury County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ia 141 over Drainage Ditch in Woodbury County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1959 and reconstructed in 1992, making it 66 years old at the 2025 inventory.
- It carries about 1,470 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 178 of the 455 inventoried bridges in Woodbury County rated good (39.1%); 95 (20.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.22846, -96.03578)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 28 ft |
| Location | 3.2 mi. E of jct. SR K64 |
| NBI structure number | 000000000053310 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Woodbury County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I29 NB Off Ramp over Perry Creek Conduit | 2017 | 91,000 | Good |
| US 77 over Missouri River & Rd | 1981 | 34,600 | Fair |
| I 29 Ia 12 over Drainage-all of Roadway | 1957 | 32,900 | Fair |
| US 77 over I 29 & Ia 12 NB | 2012 | 26,900 | Good |
| I 29 SB over Pierce St Frontage Rd | 2018 | 21,100 | Fair |
| Ia 12 over BNSF Rvr Sts & Ia 376 | 1936 | 20,600 | Poor |
All bridges nearby: Woodbury County, IA bridge conditions · every bridge in Woodbury County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.