Bridge conditions in Bremer County, Iowa
267 inventoried bridges · 32 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 8 bridges in Bremer County is rated in poor condition: 32 of 267 on the federal inventory, one of the higher shares in Iowa.
- 32 of the 267 bridges in Bremer County, Iowa, are rated in poor condition (12.0%) in the 2025 National Bridge Inventory, as of .
- 139 bridges (52.1%) are rated good and 96 (36.0%) fair.
- The median Bremer County bridge was built in 1997.
- The busiest poor-rated bridge is 190TH St over Quarter Section Run (built 1948), carrying about 1,188 vehicles a day.
Good 52.1% · Fair 36.0% · Poor 12.0% of 267 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 |
|---|---|---|---|
| US 218 over Drainage Ditch | 2012 | 18,700 | Good |
| Ia 116 over Dry Run Creek | 2015 | 14,800 | Good |
| US 218 over Drainage Ditch | 2001 | 10,900 | Good |
| SB US 218 over Cedar River | 1993 | 9,700 | Fair |
| US 218 over Trib to Shell Rock River | 1996 | 9,700 | Good |
| NB US 218 over Cedar River | 1993 | 9,500 | Fair |
| US 63 NB over over Abandon RR | 1978 | 8,700 | Fair |
| Ia 3 over Cedar River | 1950 | 8,300 | Fair |
| US 218 over Trib-shell Rock River | 1996 | 8,300 | Fair |
| Ia 3 over Dry Run Creek | 2016 | 8,200 | 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 Bremer County → - all 267, 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.