Henderson County Bridge Report Card

Henderson County scores 64 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D64 / 100

Local infrastructure snapshot

Henderson County, Illinois

Henderson County has 142 bridges in the National Bridge Inventory, with 18 rated poor and 1 rated scour-critical. Its poor-condition share of 12.7% is above the 9.5% statewide average. Poor-condition bridges carry about 14,650 daily vehicle crossings.

142Total Bridges

18Poor (12.7%)

78Fair (54.9%)

1Scour-Critical

Quote-Ready Local Facts

12.7%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

14,650daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Henderson County a Bridge Condition Exposure Score of 64/100 (D). The county has 142 bridges in the National Bridge Inventory, including 18 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 14,650 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	12.7%	25.4
Poor-condition traffic exposure	25	12.2% of measured traffic	9.2
Scour-critical bridge share	20	0.7%	1.4
Average age vs national baseline	10	41 years vs 48 nationally	0.0
Traffic-data completeness	5	119,725 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	12.7%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.7%
Average Bridge Age	41 years
Poor-Condition Traffic Exposure	14,650 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 34wb over Crystal Lk DR Ditch — 10,200 vehicles/day Oldest Listed BridgeTr 191 over Stream — built in 1910 All County BridgesBrowse every bridge record in Henderson County.

Top Bridges to Watch in Henderson County

Bridge	Reason	Condition	Daily Traffic	Year Built
Lock & Park Traffi over Henderson River	Poor condition + traffic exposure	Poor	100	1937
US 34wb over Crystal Lk DR Ditch	Poor condition + traffic exposure	Poor	10,200	1998
Carman RD over Dugout Creek	Poor condition + traffic exposure	Poor	2,000	1954
Co. Hwy. 15 over Lonetree Ditch	Poor condition + traffic exposure	Poor	575	1979
Fas 1420 over Ellison Diversion Di	Poor condition + traffic exposure	Poor	500	1985
Fas 1420 - Ch 6 over Ellison Creek	Poor condition + traffic exposure	Poor	375	1975
Old US 34 over S Henderson Creek	Poor condition + traffic exposure	Poor	200	1921
Old US 34 over Old Tom Creek	Poor condition + traffic exposure	Poor	200	1922
Tr 81 over Henderson Creek	Poor condition + traffic exposure	Poor	100	1984
Tr 1a - Hancock Co over Camp Creek	Poor condition + traffic exposure	Poor	75	1917

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.