Will County Bridge Report Card

Will County scores 72 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C72 / 100

Local infrastructure snapshot

Will County, Illinois

Will County has 656 bridges in the National Bridge Inventory, with 65 rated poor and 1 rated scour-critical. Its poor-condition share of 9.9% is above the 9.5% statewide average. Poor-condition bridges carry about 692,910 daily vehicle crossings.

656Total Bridges

65Poor (9.9%)

307Fair (46.8%)

1Scour-Critical

Quote-Ready Local Facts

9.9%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

692,910daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Will County a Bridge Condition Exposure Score of 72/100 (C). The county has 656 bridges in the National Bridge Inventory, including 65 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 692,910 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	9.9%	19.8
Poor-condition traffic exposure	25	10.6% of measured traffic	7.9
Scour-critical bridge share	20	0.2%	0.3
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	6,565,525 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	9.9%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.2%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	692,910 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI- 55 over Joliet RD — 73,200 vehicles/day Oldest Listed BridgeDellos RD over Aux Sable CR — built in 1873 All County BridgesBrowse every bridge record in Will County.

Top Bridges to Watch in Will County

Bridge	Reason	Condition	Daily Traffic	Year Built
I- 55 over Joliet RD	Poor condition + traffic exposure	Poor	73,200	1955
I- 80 EB over Rr & Gardner ST	Poor condition + traffic exposure	Poor	45,600	1964
I- 80 WB over Rr & Gardner ST	Poor condition + traffic exposure	Poor	45,600	1964
I- 80 WB over Il 53	Poor condition + traffic exposure	Poor	45,600	1967
I- 80 EB over Dupage River	Poor condition + traffic exposure	Poor	25,150	1960
I- 80 EB over I- 55	Poor condition + traffic exposure	Poor	25,150	1960
Il 7 over S&s Canal/des Plns R	Poor condition + traffic exposure	Poor	24,400	1971
Il 7 over Rr - Ej&e	Poor condition + traffic exposure	Poor	24,400	1990
I- 80 WB over Midland AVE	Poor condition + traffic exposure	Poor	23,850	1963
I- 80 EB over Center ST SB	Poor condition + traffic exposure	Poor	23,850	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.