Coles County Bridge Report Card
Coles County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Coles County, Illinois
Coles County has 302 bridges in the National Bridge Inventory, with 21 rated poor and 0 rated scour-critical. Its poor-condition share of 7.0% is at or below the 9.5% statewide average. Poor-condition bridges carry about 37,350 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Coles County a Bridge Condition Exposure Score of 81/100 (B). The county has 302 bridges in the National Bridge Inventory, including 21 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 37,350 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 | 7.0% | 13.9 |
| Poor-condition traffic exposure | 25 | 6.8% of measured traffic | 5.1 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 43 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 552,645 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 | 7.0% |
| State Poor-Condition Share | 9.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 43 years |
| Poor-Condition Traffic Exposure | 37,350 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Coles County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I-57 (sb) over Il 16 (fap 325) | Poor condition + traffic exposure | Poor | 9,900 | 1963 |
| I-57 (sb) over Central Grain Rr & Tr 86 | Poor condition + traffic exposure | Poor | 9,900 | 1965 |
| I-57 (nb) over Central Grain Rr & Tr 86 | Poor condition + traffic exposure | Poor | 9,900 | 1965 |
| Fau 7702(ch 7) over Kickapoo CR & I-57 | Poor condition + traffic exposure | Poor | 3,650 | 1965 |
| Ch 31(fas 674) over Little Wabash River | Poor condition + traffic exposure | Poor | 1,100 | 1961 |
| Fas 1605(ch 11) over I-57 | Poor condition + traffic exposure | Poor | 625 | 1964 |
| Tr 74b over Riley Creek | Poor condition + traffic exposure | Poor | 600 | 1981 |
| Ch 11 over Little Wabash River | Poor condition + traffic exposure | Poor | 525 | 1978 |
| Reynolds Drive over Ei Rr | Poor condition + traffic exposure | Poor | 250 | 1909 |
| Tr 120 over Flat Branch | Poor condition + traffic exposure | Poor | 175 | 2015 |
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.