Lafayette County Bridge Report Card

Lafayette County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C77 / 100
Local infrastructure snapshot

Lafayette County, Missouri

Lafayette County has 239 bridges in the National Bridge Inventory, with 10 rated poor and 0 rated scour-critical. Its poor-condition share of 4.2% is at or below the 8.8% statewide average. Poor-condition bridges carry about 90,518 daily vehicle crossings.

239Total Bridges
10Poor (4.2%)
152Fair (63.6%)
0Scour-Critical

Quote-Ready Local Facts

4.2%of county bridges are in poor condition, compared with 8.8% statewide and 6.7% nationally.
90,518daily 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 Lafayette County a Bridge Condition Exposure Score of 77/100 (C). The county has 239 bridges in the National Bridge Inventory, including 10 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 90,518 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

FactorWeightCounty ValuePenalty
Poor-condition bridge share404.2%8.4
Poor-condition traffic exposure2519.4% of measured traffic14.6
Scour-critical bridge share200.0%0.0
Average age vs national baseline1044 years vs 48 nationally0.0
Traffic-data completeness5465,769 measured daily crossings0.0

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 Share4.2%
State Poor-Condition Share8.8%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age44 years
Poor-Condition Traffic Exposure90,518 vehicles/day

Bridges to Watch

Top Bridges to Watch in Lafayette County

BridgeReasonConditionDaily TrafficYear Built
Is 70 W over Lt Hrshoe CRPoor condition + traffic exposurePoor22,6961963
Is 70 W over Kcs RrPoor condition + traffic exposurePoor17,5931963
Is 70 E over Kcs RrPoor condition + traffic exposurePoor17,4831950
Is 70 E over Davis CRPoor condition + traffic exposurePoor16,2391963
Mo 131 S over Is 70Poor condition + traffic exposurePoor7,1001963
RT D S over Is 70Poor condition + traffic exposurePoor4,5311963
Mo 20 E over CRPoor condition + traffic exposurePoor1,7911928
Mo 20 E over Salt Fk CRPoor condition + traffic exposurePoor1,6191969
RT Y S over Is 70Poor condition + traffic exposurePoor9241960
RT U E over Blackjack CRPoor condition + traffic exposurePoor5421958

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.