Johnson County Bridge Report Card

Johnson County scores 96 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A96 / 100

Local infrastructure snapshot

Johnson County, Kansas

Johnson County has 785 bridges in the National Bridge Inventory, with 12 rated poor and 3 rated scour-critical. Its poor-condition share of 1.5% is at or below the 5.2% statewide average. Poor-condition bridges carry about 63,562 daily vehicle crossings.

785Total Bridges

12Poor (1.5%)

180Fair (22.9%)

3Scour-Critical

Quote-Ready Local Facts

1.5%of county bridges are in poor condition, compared with 5.2% statewide and 6.7% nationally.

63,562daily vehicle crossings are on poor-condition bridges in the county.

3bridges are rated scour-critical, or 0.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Johnson County a Bridge Condition Exposure Score of 96/100 (A). The county has 785 bridges in the National Bridge Inventory, including 12 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 63,562 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	1.5%	3.1
Poor-condition traffic exposure	25	0.7% of measured traffic	0.5
Scour-critical bridge share	20	0.4%	0.8
Average age vs national baseline	10	32 years vs 48 nationally	0.0
Traffic-data completeness	5	9,709,264 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	1.5%
State Poor-Condition Share	5.2%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.4%
Average Bridge Age	32 years
Poor-Condition Traffic Exposure	63,562 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCollege BLVD over Indian Ck — 24,000 vehicles/day Oldest Listed BridgeKenneth RD over Negro Ck — built in 1910 All County BridgesBrowse every bridge record in Johnson County.

Top Bridges to Watch in Johnson County

Bridge	Reason	Condition	Daily Traffic	Year Built
College BLVD over Indian Ck	Poor condition + traffic exposure	Poor	24,000	1976
K10 HWY WB over Kill Creek	Poor condition + traffic exposure	Poor	16,300	1975
103rd. Street over Trib. To Indian Creek	Poor condition + traffic exposure	Poor	8,342	1975
Kenneth RD over Negro Ck	Poor condition + traffic exposure	Poor	7,700	1910
83rd St. E.47-16.5 over Railroad	Poor condition + traffic exposure	Poor	1,835	1948
Greenwood St. #49 over Indian Creek Trib.	Poor condition + traffic exposure	Poor	1,730	1989
95th St. E.5-15.0 over Kill Creek	Poor condition + traffic exposure	Poor	1,000	1979
Arapaho #53 over Indian Creek Trib.	Poor condition + traffic exposure	Poor	855	1989
Robinson St. over Negro Ck	Poor condition + traffic exposure	Poor	700	1986
Woodland Dr. over Mill Creek Tributary	Poor condition + traffic exposure	Poor	400	1980

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.