Hancock County Bridge Report Card
Hancock County scores 54 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Hancock County, Illinois
Hancock County has 290 bridges in the National Bridge Inventory, with 63 rated poor and 1 rated scour-critical. Its poor-condition share of 21.7% is above the 9.5% statewide average. Poor-condition bridges carry about 12,190 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Hancock County a Bridge Condition Exposure Score of 54/100 (F). The county has 290 bridges in the National Bridge Inventory, including 63 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 12,190 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 21.7% | 40.0 |
| Poor-condition traffic exposure | 25 | 7.6% of measured traffic | 5.7 |
| Scour-critical bridge share | 20 | 0.3% | 0.7 |
| Average age vs national baseline | 10 | 47 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 160,745 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 21.7% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.3% |
| Average Bridge Age | 47 years |
| Poor-Condition Traffic Exposure | 12,190 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Hancock County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Fap 685 Ill 9 over Mississippi River | Poor condition + traffic exposure | Poor | 2,500 | 1927 |
| Fas 1600 over Railroad Creek | Poor condition + traffic exposure | Poor | 2,300 | 1960 |
| Il 9 over Ditch | Poor condition + traffic exposure | Poor | 950 | 1928 |
| Fas-428 (ch-11) over Bear Creek | Poor condition + traffic exposure | Poor | 500 | 1952 |
| Fas 424 over Camp Creek | Poor condition + traffic exposure | Poor | 450 | 1968 |
| Co. Hwy. 12 over Petit Creek | Poor condition + traffic exposure | Poor | 350 | 1979 |
| Fas 1425 over Big Meadow Ditch | Poor condition + traffic exposure | Poor | 325 | 1961 |
| Ch 20 over Williams Creek | Poor condition + traffic exposure | Poor | 325 | 1972 |
| Co HWY 17 over La Harpe Creek | Poor condition + traffic exposure | Poor | 225 | 1949 |
| Tr 72 over Little Bear Creek | Poor condition + traffic exposure | Poor | 225 | 1965 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.