Kendall County Bridge Report Card

Kendall County scores 75 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C75 / 100

Local infrastructure snapshot

Kendall County, Illinois

Kendall County has 131 bridges in the National Bridge Inventory, with 15 rated poor and 0 rated scour-critical. Its poor-condition share of 11.5% is above the 9.5% statewide average. Poor-condition bridges carry about 12,100 daily vehicle crossings.

131Total Bridges

15Poor (11.5%)

49Fair (37.4%)

0Scour-Critical

Quote-Ready Local Facts

11.5%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

12,100daily 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 Kendall County a Bridge Condition Exposure Score of 75/100 (C). The county has 131 bridges in the National Bridge Inventory, including 15 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 12,100 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	11.5%	22.9
Poor-condition traffic exposure	25	2.5% of measured traffic	1.9
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	36 years vs 48 nationally	0.0
Traffic-data completeness	5	488,660 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	11.5%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	36 years
Poor-Condition Traffic Exposure	12,100 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeBaseline Rd/ms 199 over Rob Roy Creek — 2,600 vehicles/day Oldest Listed BridgeChicago Rd/ms0025 over Br W Aux Sable CR — built in 1910 All County BridgesBrowse every bridge record in Kendall County.

Top Bridges to Watch in Kendall County

Bridge	Reason	Condition	Daily Traffic	Year Built
Baseline Rd/ms 199 over Rob Roy Creek	Poor condition + traffic exposure	Poor	2,600	1966
Creek RD over Little Rock Ck	Poor condition + traffic exposure	Poor	2,300	1995
Schafer RD over Rob Roy Ck	Poor condition + traffic exposure	Poor	1,400	1978
Schlapp RD over East Aux-sable CR	Poor condition + traffic exposure	Poor	1,200	1967
Schlapp Rd/ms 360 over E.aux Sable Cr.	Poor condition + traffic exposure	Poor	950	1930
Walker RD over Middle Aux Sable	Poor condition + traffic exposure	Poor	825	1965
Holt Road over Aux Sable Creek	Poor condition + traffic exposure	Poor	750	1977
Budd RD over Hollenback Creek	Poor condition + traffic exposure	Poor	625	1978
Ashley RD over Middle Aux Sable	Poor condition + traffic exposure	Poor	425	2009
Miller RD over Little Rock Ck	Poor condition + traffic exposure	Poor	300	1978

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.