Bridge conditions in Clark County, Illinois
231 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Clark County tracks close to typical: 9 of its 231 inventoried bridges (3.9%) are rated poor, against a national rate of about 7%.
- 9 of the 231 bridges in Clark County, Illinois, are rated in poor condition (3.9%) in the 2025 National Bridge Inventory, as of .
- 143 bridges (61.9%) are rated good and 79 (34.2%) fair.
- The median Clark County bridge was built in 1982.
- The busiest poor-rated bridge is I-70 (WB) over E Little Creek (built 1968), carrying about 12,450 vehicles a day.
Good 61.9% · Fair 34.2% · Poor 3.9% of 231 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 |
|---|---|---|---|
| I-70 (WB) over E Little Creek | 1968 | 12,450 | Poor |
| I-70 (EB) over E Little Creek | 1968 | 12,450 | Poor |
| Il 1 (fap 332) over CSX RR | 1940 | 8,100 | Poor |
| US 40(FAS 1707) over N Fork Embarras R | 1954 | 2,450 | Poor |
| Ch 9(FAS 689) over I-70 | 1968 | 1,100 | Poor |
| Jefferson St over Stockwell Branch | 1909 | 425 | Poor |
| Ch 5 over Ditch | 1949 | 150 | Poor |
| Tr 359 over Stream | 1958 | 75 | Poor |
| Tr 5 over N Fork Embarrass R | 1909 | 25 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-70 over E Mill Creek Trib | 1969 | 23,400 | Fair |
| I-70 over E Mill Creek | 1969 | 23,400 | Fair |
| I-70 over E Mill Creek | 1969 | 23,400 | Fair |
| I-70 over Kettering Branch | 1968 | 23,400 | Fair |
| Fai 70 over Ditch | 1971 | 23,400 | Fair |
| I-70 over Stream | 1968 | 22,800 | Good |
| I-70 over Turkey Run Creek | 1968 | 22,800 | Fair |
| I-70 (EB) over Hawks Creek | 2002 | 14,000 | Fair |
| I-70 (WB) over Hawks Creek | 2002 | 14,000 | Fair |
| I-70 (WB) over Big Creek | 1968 | 12,450 | 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.