McLean County Bridge Report Card

McLean County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A92 / 100

Local infrastructure snapshot

McLean County, Illinois

McLean County has 625 bridges in the National Bridge Inventory, with 16 rated poor and 2 rated scour-critical. Its poor-condition share of 2.6% is at or below the 9.5% statewide average. Poor-condition bridges carry about 60,275 daily vehicle crossings.

625Total Bridges

16Poor (2.6%)

230Fair (36.8%)

2Scour-Critical

Quote-Ready Local Facts

2.6%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

60,275daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 0.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McLean County a Bridge Condition Exposure Score of 92/100 (A). The county has 625 bridges in the National Bridge Inventory, including 16 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 60,275 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	2.6%	5.1
Poor-condition traffic exposure	25	3.1% of measured traffic	2.3
Scour-critical bridge share	20	0.3%	0.6
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	1,939,760 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	2.6%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.3%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	60,275 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI-55 Busn Loop over Norfolk Southern Railway — 25,000 vehicles/day Oldest Listed BridgeVirginia Ave-fau63 over Ped. & Bike Path — built in 1906 All County BridgesBrowse every bridge record in McLean County.

Top Bridges to Watch in McLean County

Bridge	Reason	Condition	Daily Traffic	Year Built
I-55 Busn Loop over Norfolk Southern Railway	Poor condition + traffic exposure	Poor	25,000	1940
Vernon Avenue over Sugar Creek N Branch	Poor condition + traffic exposure	Poor	10,400	1968
Brown ST Fau 6387 over Bnsd Outfall Sewer	Poor condition + traffic exposure	Poor	4,100	1925
Fau 6431 Ch 29 over I-74/SE Of Bloomngtn	Poor condition + traffic exposure	Poor	3,050	1968
US 24/fap 317 over Intermit Stream	Poor condition + traffic exposure	Poor	2,650	1959
Towanda Ave(fau641 over I-55/N Of Normal	Poor condition + traffic exposure	Poor	2,650	1962
Jersey AVE Fau 635 over Sugar CR	Poor condition + traffic exposure	Poor	2,550	1964
Fau 6437 Ch 36 over I-74 Near Downs	Poor condition + traffic exposure	Poor	2,450	1968
Ill 9 over Stream	Poor condition + traffic exposure	Poor	2,100	1925
Fau 6374 Ch 30 over I-74/SE Of Bloomngtn	Poor condition + traffic exposure	Poor	1,700	1968

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.