Bridge conditions in Perry County, Illinois
136 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 136 bridges in Perry County: 51 rated good, 75 fair, and 10 poor.
- 10 of the 136 bridges in Perry County, Illinois, are rated in poor condition (7.4%) in the 2025 National Bridge Inventory, as of .
- 51 bridges (37.5%) are rated good and 75 (55.1%) fair.
- The median Perry County bridge was built in 1987.
- The busiest poor-rated bridge is Ill 154 over Beaucoup Creek (built 1962), carrying about 5,750 vehicles a day.
Good 37.5% · Fair 55.1% · Poor 7.4% of 136 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 |
|---|---|---|---|
| Ill 154 over Beaucoup Creek | 1962 | 5,750 | Poor |
| Fas-1824 (ch-27) over Sixmile Creek | 1900 | 1,000 | Poor |
| Fas 835-ch 12 over Mud Creek | 1958 | 900 | Poor |
| Co Hwy 1 over White Walnut Creek | 1959 | 675 | Poor |
| Co Hwy 1 over Little Beaucoup Crk | 1959 | 525 | Poor |
| Ch 8-kimzey Road over Reese Creek | 1988 | 225 | Poor |
| Co Hwy 11 over Beaucoup Creek | 1955 | 200 | Poor |
| Tr 110 over Galum Creek | 1900 | 50 | Poor |
| Tr 330 over Hog Creek | 1940 | 20 | Poor |
| County Highway 16 over Trib to Hog Creek | 1985 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 51 over Half-mile Creek | 1921 | 6,350 | Fair |
| Ill 154 over Beaucoup Creek | 1962 | 5,750 | Poor |
| Fap 42-il 13/127 over Chicken Creek | 2001 | 4,700 | Good |
| US 51-fap322 over Chstnt-cnic-oak-alley | 1997 | 4,400 | Fair |
| Ill 127 over Opossum Creek | 1936 | 4,150 | Fair |
| Fap 841-il 154 over Little Beaucoup CR | 2001 | 4,000 | Good |
| Ill 154 over Panther Creek | 2011 | 4,000 | Good |
| Fap 42-il 13/127 over Walkers Creek | 2000 | 3,750 | Good |
| Fap 42-il 13/127 over Youngs Creek | 2000 | 3,750 | Good |
| IL Route 14 over Reese Creek | 2012 | 3,550 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
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.