Every bridge in Linn County, Iowa
511 inventoried bridges, busiest first (page 2 of 2)
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Linn County, Iowa, has 511 bridges in the 2025 National Bridge Inventory: 182 rated good, 295 fair, and 34 poor (as of ).
- This index lists every one of them, busiest first, 500 per page; each links to its own condition record.
Page 1 · 2
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Yates Rd over Gannon Creek | 2001 | 15 | Good |
| Ammeter Rd over Trib to Buffalo Creek | 2000 | 11 | Fair |
| Hickoryvalleyrd over West Otter Creek | 1987 | 11 | Poor |
| Upper Boulder R over Silver Creek | 1998 | 11 | Fair |
| Barret Rd over East Indian Creek | 2000 | 10 | Fair |
| Bettys Grove Rd over East Blue Creek | 2001 | 10 | Good |
| Caldwell Rd over Boulder Creek | 2002 | 10 | Fair |
| Rowley Rd over Trib Wapsipinicon River | 2002 | 10 | Fair |
| Burnett Sta.rd. over Richohet Creek | 1998 | 5 | Fair |
| Bertram Road over Indian Creek | 2023 | – | Good |
| Earhart Lane SW over Hoosier Creek | 2023 | – | Good |
Page 1 · 2
Source: FHWA National Bridge Inventory, 2025.
Linn County bridge conditions · Iowa bridges by county.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.