Bridge conditions in Fremont County, Iowa
179 inventoried bridges · 38 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 5 bridges in Fremont County is rated in poor condition: 38 of 179 on the federal inventory, one of the higher shares in Iowa.
- 38 of the 179 bridges in Fremont County, Iowa, are rated in poor condition (21.2%) in the 2025 National Bridge Inventory, as of .
- 59 bridges (33.0%) are rated good and 82 (45.8%) fair.
- The median Fremont County bridge was built in 1975.
- The busiest poor-rated bridge is Ia 2 over Drainage Ditch (built 1953), carrying about 1,630 vehicles a day.
Good 33.0% · Fair 45.8% · Poor 21.2% of 179 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 2 over Missouri River | 1986 | 8,300 | Good |
| Ia 2 over Overflow | 2022 | 8,000 | Good |
| I 29 NB over over Aband RR & Lcl Rd | 1972 | 7,850 | Fair |
| I 29 SB over Aband RR & Dike Rd | 1972 | 7,850 | Fair |
| NB I-29 over BNSF RR & Main St | 1972 | 7,300 | Fair |
| SB I-29 over BNSF RR & Main St | 1972 | 7,300 | Fair |
| I 29 NB over Main Ditch NO.6 | 1972 | 7,300 | Fair |
| I 29 SB over Main Ditch NO.6 | 1972 | 7,300 | Fair |
| SB I-29 over Waubonsie Ditch | 2011 | 6,450 | Good |
| NB I-29 over Waubonsie Ditch | 2010 | 6,450 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Fremont County → - all 179, busiest first, each with its own condition record.
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.