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.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 2 over Drainage Ditch | 1953 | 1,630 | Poor |
| Ia 2 over Drainage Ditch | 1953 | 1,630 | Poor |
| Ia 2 over Stream | 1953 | 1,630 | Poor |
| 370 Avenue over E Nishna River Overflow | 1957 | 771 | Poor |
| FM J018 over Walnut Creek | 1951 | 750 | Poor |
| 195 Avenue over Mule Slough | 2008 | 577 | Poor |
| Plum Creek Road over Plum Creek | 1950 | 294 | Poor |
| Bluff Road over Cooper Creek | 1959 | 244 | Poor |
| 220 Street over Horse Creek | 1957 | 214 | Poor |
| 330 Avenue over Mill Creek | 1956 | 91 | Poor |
| 250 Street over Gibson Slough | 1953 | 79 | Poor |
| 170 Street over West Nishnabotna River | 1960 | 72 | Poor |
| 305 Avenue over Driscall Creek | 1958 | 63 | Poor |
| 280 Street over Mill Creek | 1961 | 51 | Poor |
| Western Avenue over Plum Creek | 1959 | 51 | Poor |
| 310 Avenue over Brush Creek | 1900 | 41 | Poor |
| Brooklyn Dr over Hunter Branch Creek | 1959 | 40 | Poor |
| 380 Avenue over Mill Creek | 1973 | 40 | Poor |
| FM over #6 Ditch | 1986 | 29 | Poor |
| 270 Street over Mill Creek | 1959 | 26 | Poor |
| 285 Street over #6 Ditch | 1976 | 26 | Poor |
| 322 Avenue over Mill Creek | 1957 | 26 | Poor |
| 185 Street over Possum Creek | 1960 | 26 | Poor |
| 295 Avenue over Slippery Elm Hollow | 1966 | 21 | Poor |
| 295 Avenue over Relief | 1961 | 21 | Poor |
| 357 Avenue over Walnut Creek | 1900 | 21 | Poor |
| 320TH St over Rock Creek | 1962 | 15 | Poor |
| 290 Street over Mill Creek | 1920 | 15 | Poor |
| 240 Street over Stream | 1957 | 15 | Poor |
| 210TH Street over Drainage | 1966 | 15 | Poor |
| 180 Street over Minor Drainage | 1955 | 11 | Poor |
| 400 Avenue over Stream | 1966 | 5 | Poor |
| 252 Street over Drainage #10 | 1920 | 5 | Poor |
| 240 Avenue over Main Ditch | 1981 | 5 | Poor |
| 320 Avenue over Walnut Creek | 1961 | 5 | Poor |
| 215 Street over Minor Drainage | 1971 | 5 | Poor |
| 340 Avenue over Deer Creek | 1962 | 5 | Poor |
| Local over Mcpherson Creek | 1979 | 5 | Poor |
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.
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.