Clay County Bridge Report Card

Clay County scores 68 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D68 / 100
Local infrastructure snapshot

Clay County, Illinois

Clay County has 167 bridges in the National Bridge Inventory, with 24 rated poor and 0 rated scour-critical. Its poor-condition share of 14.4% is above the 9.5% statewide average. Poor-condition bridges carry about 4,435 daily vehicle crossings.

167Total Bridges
24Poor (14.4%)
60Fair (35.9%)
0Scour-Critical

Quote-Ready Local Facts

14.4%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.
4,435daily vehicle crossings are on poor-condition bridges in the county.
0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clay County a Bridge Condition Exposure Score of 68/100 (D). The county has 167 bridges in the National Bridge Inventory, including 24 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 4,435 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share4014.4%28.7
Poor-condition traffic exposure254.2% of measured traffic3.1
Scour-critical bridge share200.0%0.0
Average age vs national baseline1043 years vs 48 nationally0.0
Traffic-data completeness5106,595 measured daily crossings0.0

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 Share14.4%
State Poor-Condition Share9.5%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age43 years
Poor-Condition Traffic Exposure4,435 vehicles/day

Bridges to Watch

Top Bridges to Watch in Clay County

BridgeReasonConditionDaily TrafficYear Built
Fas 2704(old-50) over Raccoon CreekPoor condition + traffic exposurePoor1,4001993
Fas-798 over Little MuddyPoor condition + traffic exposurePoor4751970
Fas-801 (ch 16) over Big Muddy CreekPoor condition + traffic exposurePoor4501951
Fas-799 (ch-3) over Little Muddy CreekPoor condition + traffic exposurePoor4251941
Fas-796 (ch-6) over Dismal CreekPoor condition + traffic exposurePoor3751959
Fas-2789 (ch-18) over Icg RrPoor condition + traffic exposurePoor1501986
Tr-159 over Little MuddyPoor condition + traffic exposurePoor1251977
Tr-355 over Raccoon CreekPoor condition + traffic exposurePoor1001909
Tr-345a over Elm CreekPoor condition + traffic exposurePoor1001959
Ch-19 over Brush CreekPoor condition + traffic exposurePoor1001970

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.