Switzerland County Bridge Report Card

Switzerland County scores 97 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A97 / 100
Local infrastructure snapshot

Switzerland County, Indiana

Switzerland County has 62 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 1.6% is at or below the 5.3% statewide average. Poor-condition bridges carry about 125 daily vehicle crossings.

62Total Bridges
1Poor (1.6%)
33Fair (53.2%)
0Scour-Critical

Quote-Ready Local Facts

1.6%of county bridges are in poor condition, compared with 5.3% statewide and 6.7% nationally.
125daily 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 Switzerland County a Bridge Condition Exposure Score of 97/100 (A). The county has 62 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 125 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 share401.6%3.2
Poor-condition traffic exposure250.3% of measured traffic0.2
Scour-critical bridge share200.0%0.0
Average age vs national baseline1044 years vs 48 nationally0.0
Traffic-data completeness548,897 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 Share1.6%
State Poor-Condition Share5.3%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age44 years
Poor-Condition Traffic Exposure125 vehicles/day

Bridges to Watch

Top Bridges to Watch in Switzerland County

BridgeReasonConditionDaily TrafficYear Built
Allensville RD over South Fork Elk CreekPoor condition + traffic exposurePoor1251920
SR 101 over SR 156 & Markland DamHigh trafficFair5,8471975
SR 156 over Plum CreekHigh trafficFair4,9651941
SR 156 over Hunt CreekHigh trafficFair4,9651941
SR 156 over Log Lick CreekHigh trafficFair4,8101958
SR 56 over Indian CreekHigh trafficFair2,3942006
SR 56 over Mennets RunHigh trafficGood2,3871985
SR 56 over Tucker RunHigh trafficGood1,8892019
SR 56 over Green Valley CreekHigh trafficGood1,7602019
SR 129 over Indian CreekHigh trafficGood1,6311984

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.