Kankakee County Bridge Report Card

Kankakee 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

Kankakee County, Illinois

Kankakee County has 344 bridges in the National Bridge Inventory, with 34 rated poor and 0 rated scour-critical. Its poor-condition share of 9.9% is above the 9.5% statewide average. Poor-condition bridges carry about 82,925 daily vehicle crossings.

344Total Bridges

34Poor (9.9%)

185Fair (53.8%)

0Scour-Critical

Quote-Ready Local Facts

9.9%of county bridges are in poor condition, compared with 9.5% statewide and 6.7% nationally.

82,925daily 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 Kankakee County a Bridge Condition Exposure Score of 72/100 (C). The county has 344 bridges in the National Bridge Inventory, including 34 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 82,925 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	9.9%	19.8
Poor-condition traffic exposure	25	10.5% of measured traffic	7.9
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	43 years vs 48 nationally	0.0
Traffic-data completeness	5	786,705 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	9.9%
State Poor-Condition Share	9.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	43 years
Poor-Condition Traffic Exposure	82,925 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeFai-57 SB over Ill 17 — 14,450 vehicles/day Oldest Listed BridgeCoyne ST over Trib To Kankakee R. — built in 1890 All County BridgesBrowse every bridge record in Kankakee County.

Top Bridges to Watch in Kankakee County

Bridge	Reason	Condition	Daily Traffic	Year Built
Fai-57 SB over Ill 17	Poor condition + traffic exposure	Poor	14,450	1955
Fai-57 NB over Ill RTE 17	Poor condition + traffic exposure	Poor	11,650	1955
Manteno RD over I-57	Poor condition + traffic exposure	Poor	9,550	1964
US 45 & 52 over I-57	Poor condition + traffic exposure	Poor	9,100	1962
Ch 44 over Soldier CR	Poor condition + traffic exposure	Poor	4,650	1961
Ch 54 over Tower CR	Poor condition + traffic exposure	Poor	3,050	1975
Ill.17 over Horse Cr.	Poor condition + traffic exposure	Poor	2,950	1958
Fas 311 Ch 9 over Branch Rock Creek	Poor condition + traffic exposure	Poor	2,800	1977
Tr 87a over Soldiers Creek	Poor condition + traffic exposure	Poor	2,350	1971
Ill 17 over Reddick Run Cr.	Poor condition + traffic exposure	Poor	2,300	1959

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.