Bridge conditions in Pike County, Illinois
332 inventoried bridges · 34 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Pike County has 34 bridges rated poor out of 332 inventoried, a 10.2% share that puts it well above the national rate of about 7%.
- 34 of the 332 bridges in Pike County, Illinois, are rated in poor condition (10.2%) in the 2025 National Bridge Inventory, as of .
- 78 bridges (23.5%) are rated good and 220 (66.3%) fair.
- The median Pike County bridge was built in 1988.
- The busiest poor-rated bridge is I-72 / US 36 over Miss R/bnrr/nsrr/st (built 1999), carrying about 16,500 vehicles a day.
Good 23.5% · Fair 66.3% · Poor 10.2% of 332 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-72 / US 36 over Miss R/bnrr/nsrr/st | 1999 | 16,500 | Poor |
| I-72 over Trib Blue Creek | 1988 | 9,900 | Good |
| I-72 over Drainage Ditch | 1988 | 9,410 | Good |
| I-72 over Drainage Ditch | 1986 | 9,400 | Fair |
| I-72 over Drainage Ditch | 1986 | 9,400 | Fair |
| I-72 / US 36 over Drainage Ditch | 1986 | 9,400 | Fair |
| I-72 / US 36 over Drainage Ditch | 1986 | 9,400 | Fair |
| I-72 over Branch Kiser Creek | 1989 | 8,850 | Fair |
| I-72 over Branch Kiser Creek | 1989 | 8,850 | Fair |
| I-72 over Trib Bay Creek | 1989 | 8,000 | 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 Pike County → - all 332, 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.