Bridge conditions in Hamilton County, Illinois
169 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Hamilton County tracks close to typical: 4 of its 169 inventoried bridges (2.4%) are rated poor, against a national rate of about 7%.
- 4 of the 169 bridges in Hamilton County, Illinois, are rated in poor condition (2.4%) in the 2025 National Bridge Inventory, as of .
- 134 bridges (79.3%) are rated good and 31 (18.3%) fair.
- The median Hamilton County bridge was built in 1993.
- The busiest poor-rated bridge is Fap-853 (ill-14) over Bear Creek (built 1923), carrying about 3,200 vehicles a day.
Good 79.3% · Fair 18.3% · Poor 2.4% of 169 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 |
|---|---|---|---|
| Fap-853 (ill-14) over Bear Creek | 1923 | 3,200 | Poor |
| Tr-324 over Contrary Creek | 1909 | 75 | Poor |
| Tr-95 over Trib Big Creek | 1909 | 75 | Poor |
| Tr-173 over Trib Lost Creek Drai | 1981 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 14 over Stream | 2018 | 4,300 | Good |
| Fap-853 (ill-14) over Bear Creek | 1923 | 3,200 | Poor |
| Fap-855 (ill-14) over Lakey Creek | 1923 | 3,200 | Fair |
| Fap-776 (ill 142) over Stream | 1992 | 3,150 | Good |
| Fap-849 (ill-142) over Middle Creek | 1929 | 2,700 | Fair |
| Fap-849 (ill-142) over Stream | 1929 | 2,700 | Fair |
| Fap-849 (ill-142) over Opossum Creek | 1996 | 2,700 | Fair |
| Fap-849 (ill-142) over Stream | 1993 | 2,700 | Good |
| Fap-849 (ill-142) over Stream | 1999 | 2,700 | Good |
| Fap-776 (ill-142) over Bear Creek | 1928 | 2,550 | 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.