Bridge conditions in Ogle County, Illinois
378 inventoried bridges · 28 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Ogle County tracks close to typical: 28 of its 378 inventoried bridges (7.4%) are rated poor, against a national rate of about 7%.
- 28 of the 378 bridges in Ogle County, Illinois, are rated in poor condition (7.4%) in the 2025 National Bridge Inventory, as of .
- 178 bridges (47.1%) are rated good and 172 (45.5%) fair.
- The median Ogle County bridge was built in 1982.
- The busiest poor-rated bridge is Lakeview Drive over Kyte Creek (built 1963), carrying about 1,750 vehicles a day.
Good 47.1% · Fair 45.5% · Poor 7.4% of 378 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 |
|---|---|---|---|
| I-39 & US 51 over Stream | 1981 | 32,800 | Fair |
| I 39 & US 51 over Kilbuck Creek Trib | 1981 | 32,800 | Fair |
| I-39 & US 51 over Stream | 1981 | 32,200 | Good |
| I-39 & US 51 over Stream | 1981 | 29,600 | Fair |
| I-39 & US 51 over Stream | 1981 | 29,600 | Fair |
| I-39 & US 51 over Stream | 1981 | 29,100 | Fair |
| I-39 & US 51 over Stream | 1981 | 19,500 | Fair |
| I-88 (e-w Tollway) over Stream | 1972 | 16,600 | Fair |
| I-88 (e-w Tollway) over Stream | 1972 | 16,600 | Fair |
| I-39 & US 51 SB over Fap 553(IL 72) | 1981 | 16,400 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Ogle County → - all 378, busiest first, each with its own condition record.
All of Illinois: Illinois 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.