Christian County Bridge Report Card
Christian County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Christian County, Illinois
Christian County has 320 bridges in the National Bridge Inventory, with 55 rated poor and 1 rated scour-critical. Its poor-condition share of 17.2% is above the 9.5% statewide average. Poor-condition bridges carry about 8,400 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Christian County a Bridge Condition Exposure Score of 59/100 (F). The county has 320 bridges in the National Bridge Inventory, including 55 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 8,400 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 | 17.2% | 34.4 |
| Poor-condition traffic exposure | 25 | 3.8% of measured traffic | 2.9 |
| Scour-critical bridge share | 20 | 0.3% | 0.6 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.2 |
| Traffic-data completeness | 5 | 220,515 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 | 17.2% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.3% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 8,400 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Christian County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ch 6-fas 642 over Brushy Branch | Poor condition + traffic exposure | Poor | 1,300 | 1915 |
| Ch 6-fas 642 over Long Branch | Poor condition + traffic exposure | Poor | 1,300 | 1923 |
| Tr 327 over Springside Branch | Poor condition + traffic exposure | Poor | 1,100 | 1900 |
| Ch 4 - Fas 637 over Brown Branch | Poor condition + traffic exposure | Poor | 600 | 1965 |
| Ch 22-fas 636 over Sangamon River | Poor condition + traffic exposure | Poor | 600 | 1969 |
| Tr 0128 over Panther Creek | Poor condition + traffic exposure | Poor | 450 | 1958 |
| Ch-7 (fas-643) over Spring Creek | Poor condition + traffic exposure | Poor | 400 | 1986 |
| Mun 5671 over Paper Mill Branch | Poor condition + traffic exposure | Poor | 300 | 1919 |
| Tr 111a over Spring Branch | Poor condition + traffic exposure | Poor | 175 | 1954 |
| Tr 12 A over Clear Creek | Poor condition + traffic exposure | Poor | 150 | 1920 |
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.