Bridge conditions in Ida County, Iowa
182 inventoried bridges · 30 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Ida County has 30 bridges rated poor out of 182 inventoried, a 16.5% share that puts it well above the national rate of about 7%.
- 30 of the 182 bridges in Ida County, Iowa, are rated in poor condition (16.5%) in the 2025 National Bridge Inventory, as of .
- 74 bridges (40.7%) are rated good and 78 (42.9%) fair.
- The median Ida County bridge was built in 1989.
- The busiest poor-rated bridge is Local over Odebolt Creek (built 1967), carrying about 2,884 vehicles a day.
Good 40.7% · Fair 42.9% · Poor 16.5% of 182 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Local over Odebolt Creek | 1967 | 2,884 | Poor |
| Washington Street over Odebolt Creek | 1972 | 1,635 | Poor |
| Main St over Badger Creek | 1968 | 1,043 | Poor |
| FM over Unnamed Creek | 1961 | 598 | Poor |
| FM over Odebolt Creek | 1964 | 589 | Poor |
| FM over Silver Creek | 1969 | 589 | Poor |
| FM over Battle Creek | 1969 | 499 | Poor |
| FM over Unnamed Stream | 1961 | 379 | Poor |
| FM over Small | 1900 | 379 | Poor |
| FM over Unnamed Creek | 1961 | 379 | Poor |
| FM over Unnamed Creek | 1900 | 369 | Poor |
| FM over Soldier River | 1971 | 350 | Poor |
| FM over Creek | 1971 | 350 | Poor |
| FM over Ashton Creek | 1974 | 260 | Poor |
| FM over Bacon Creek | 1900 | 199 | Poor |
| FM over Odebolt Creek | 1949 | 60 | Poor |
| FM over Creek | 1952 | 60 | Poor |
| Local over Odebolt Creek | 1957 | 50 | Poor |
| Woodbury Ave over Creek | 1900 | 50 | Poor |
| Local over East Fork Battle Creek | 1900 | 35 | Poor |
| Local over Bitter Creek | 1960 | 30 | Poor |
| FM over Creek | 1900 | 26 | Poor |
| Local over Hoskins Creek | 1955 | 26 | Poor |
| Local over Creek | 1900 | 26 | Poor |
| Local over Stream | 1900 | 21 | Poor |
| FM over Bitter Creek | 1957 | 15 | Poor |
| Local Road over Soldier River | 1900 | 11 | Poor |
| Local over Creek | 1964 | 5 | Poor |
| Local over Silver Creek | 1983 | 5 | Poor |
| Local over West Fork Battle Creek | 1963 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 20 over Maple River Overflow | 2016 | 5,100 | Good |
| Moorehead Ave over Odebolt Creek | 2022 | 4,873 | Good |
| US 59 & Ia 175 over Maple River | 1989 | 3,880 | Fair |
| Local over Odebolt Creek | 1967 | 2,884 | Poor |
| US 20 EB over Fritz Creek | 2018 | 2,550 | Fair |
| US 20 EB over Maple River | 2017 | 2,550 | Good |
| US 20 WB over Fritz Creek | 2017 | 2,550 | Good |
| US 20 WB over Maple River | 2017 | 2,550 | Good |
| Rohwer St over Badger Creek | 2007 | 2,190 | Good |
| US 59 over Silver Creek | 1972 | 2,090 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Iowa: Iowa bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.