Clark County Bridge Report Card

Clark County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B85 / 100

Local infrastructure snapshot

Clark County, Illinois

Clark County has 231 bridges in the National Bridge Inventory, with 9 rated poor and 1 rated scour-critical. Its poor-condition share of 3.9% is at or below the 9.5% statewide average. Poor-condition bridges carry about 37,225 daily vehicle crossings.

231Total Bridges

9Poor (3.9%)

79Fair (34.2%)

1Scour-Critical

Quote-Ready Local Facts

3.9%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

37,225daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clark County a Bridge Condition Exposure Score of 85/100 (B). The county has 231 bridges in the National Bridge Inventory, including 9 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 37,225 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	3.9%	7.8
Poor-condition traffic exposure	25	8.0% of measured traffic	6.0
Scour-critical bridge share	20	0.4%	0.9
Average age vs national baseline	10	47 years vs 48 nationally	0.0
Traffic-data completeness	5	467,605 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	3.9%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.4%
Average Bridge Age	47 years
Poor-Condition Traffic Exposure	37,225 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI-70 (wb) over E Little Creek — 12,450 vehicles/day Oldest Listed BridgeCh 3(fas 692) over Partridge Creek — built in 1909 All County BridgesBrowse every bridge record in Clark County.

Top Bridges to Watch in Clark County

Bridge	Reason	Condition	Daily Traffic	Year Built
I-70 (wb) over E Little Creek	Poor condition + traffic exposure	Poor	12,450	1968
I-70 (eb) over E Little Creek	Poor condition + traffic exposure	Poor	12,450	1968
Il 1 (fap 332) over Csx Rr	Poor condition + traffic exposure	Poor	8,100	1940
US 40(fas 1707) over N Fork Embarras R	Poor condition + traffic exposure	Poor	2,450	1954
Ch 9(fas 689) over I-70	Poor condition + traffic exposure	Poor	1,100	1968
Jefferson ST over Stockwell Branch	Poor condition + traffic exposure	Poor	425	1909
Ch 5 over Ditch	Poor condition + traffic exposure	Poor	150	1949
Tr 359 over Stream	Poor condition + traffic exposure	Poor	75	1958
Tr 5 over N Fork Embarrass R	Poor condition + traffic exposure	Poor	25	1909
Tr-362 Statelinerd over Clear Creek	Scour-critical foundation rating	Good	450	1987

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.