DuPage County Bridge Report Card

DuPage County scores 84 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B84 / 100

Local infrastructure snapshot

DuPage County, Illinois

DuPage County has 345 bridges in the National Bridge Inventory, with 26 rated poor and 0 rated scour-critical. Its poor-condition share of 7.5% is at or below the 9.5% statewide average. Poor-condition bridges carry about 179,025 daily vehicle crossings.

345Total Bridges

26Poor (7.5%)

195Fair (56.5%)

0Scour-Critical

Quote-Ready Local Facts

7.5%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

179,025daily 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 DuPage County a Bridge Condition Exposure Score of 84/100 (B). The county has 345 bridges in the National Bridge Inventory, including 26 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 179,025 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

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	7.5%	15.1
Poor-condition traffic exposure	25	1.7% of measured traffic	1.2
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	10,836,535 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	7.5%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	179,025 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeIl 38 over Winfield Creek — 25,000 vehicles/day Oldest Listed BridgeIl 19 over Nordic Spring Brook — built in 1925 All County BridgesBrowse every bridge record in DuPage County.

Top Bridges to Watch in DuPage County

Bridge	Reason	Condition	Daily Traffic	Year Built
Il 38 over Winfield Creek	Poor condition + traffic exposure	Poor	25,000	1982
County Farm RD over W Branch Du Page Riv	Poor condition + traffic exposure	Poor	22,800	1929
Warrenville RD over E.branch Du Page Rv	Poor condition + traffic exposure	Poor	19,200	1946
Geneva Road over W.branch Du Page Rv.	Poor condition + traffic exposure	Poor	17,600	1941
York Road over I-88 E-w Toll Ramp	Poor condition + traffic exposure	Poor	15,400	1958
Cass AVE over I- 55	Poor condition + traffic exposure	Poor	14,000	1960
Fap-367 (army Tr R over W Br Dupage River	Poor condition + traffic exposure	Poor	13,100	1987
Highland AVE over Il 56 (butterfield)	Poor condition + traffic exposure	Poor	11,050	1987
Fau-1369 (schick R over W Br. Dupage River	Poor condition + traffic exposure	Poor	10,800	1961
Woodridge Drive over Crabtree Creek	Poor condition + traffic exposure	Poor	4,650	1986

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.