Jo Daviess County Bridge Report Card

Jo Daviess 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

Jo Daviess County, Illinois

Jo Daviess County has 192 bridges in the National Bridge Inventory, with 21 rated poor and 0 rated scour-critical. Its poor-condition share of 10.9% is above the 9.5% statewide average. Poor-condition bridges carry about 9,150 daily vehicle crossings.

192Total Bridges

21Poor (10.9%)

85Fair (44.3%)

0Scour-Critical

Quote-Ready Local Facts

10.9%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

9,150daily 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 Jo Daviess County a Bridge Condition Exposure Score of 72/100 (C). The county has 192 bridges in the National Bridge Inventory, including 21 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 9,150 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	10.9%	21.9
Poor-condition traffic exposure	25	5.4% of measured traffic	4.0
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	52 years vs 48 nationally	1.7
Traffic-data completeness	5	170,320 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	10.9%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	9,150 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 20 over Rush Creek — 3,800 vehicles/day Oldest Listed BridgeTownship Road No. over West Fork Apple Riv — built in 1901 All County BridgesBrowse every bridge record in Jo Daviess County.

Top Bridges to Watch in Jo Daviess County

Bridge	Reason	Condition	Daily Traffic	Year Built
US 20 over Rush Creek	Poor condition + traffic exposure	Poor	3,800	1971
Township Road No. over Menominee River	Poor condition + traffic exposure	Poor	1,150	1968
Il 78 over Davis Creek	Poor condition + traffic exposure	Poor	600	1982
E Stagecoach Road over Apple River	Poor condition + traffic exposure	Poor	575	1937
Ch-2 (dewey Ave) over Hughletts Branch	Poor condition + traffic exposure	Poor	425	1952
Township Road No. over Smallpox Creek	Poor condition + traffic exposure	Poor	375	1957
E Schapville RD over Mill Creek	Poor condition + traffic exposure	Poor	350	1965
W Council Hill Roa over E Fk Of Galena River	Poor condition + traffic exposure	Poor	275	1940
Township Road No 3 over Smallpox Creek	Poor condition + traffic exposure	Poor	250	1963
E Massbach Road over Scrub Creek	Poor condition + traffic exposure	Poor	225	1940

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.