Hand County Bridge Report Card

Hand County scores 48 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F48 / 100

Local infrastructure snapshot

Hand County, South Dakota

Hand County has 126 bridges in the National Bridge Inventory, with 40 rated poor and 1 rated scour-critical. Its poor-condition share of 31.7% is above the 16.1% statewide average. Poor-condition bridges carry about 1,546 daily vehicle crossings.

126Total Bridges

40Poor (31.7%)

57Fair (45.2%)

1Scour-Critical

Quote-Ready Local Facts

31.7%of county bridges are in poor condition, compared with 16.1% statewide and 6.7% nationally.

1,546daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 0.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Hand County a Bridge Condition Exposure Score of 48/100 (F). The county has 126 bridges in the National Bridge Inventory, including 40 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 1,546 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	31.7%	40.0
Poor-condition traffic exposure	25	4.6% of measured traffic	3.4
Scour-critical bridge share	20	0.8%	1.6
Average age vs national baseline	10	65 years vs 48 nationally	6.7
Traffic-data completeness	5	33,953 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	31.7%
State Poor-Condition Share	16.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.8%
Average Bridge Age	65 years
Poor-Condition Traffic Exposure	1,546 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSd045 over Ck — 538 vehicles/day Oldest Listed Bridge347th AVE over Ck — built in 1910 All County BridgesBrowse every bridge record in Hand County.

Top Bridges to Watch in Hand County

Bridge	Reason	Condition	Daily Traffic	Year Built
Sd045 over Ck	Poor condition + traffic exposure	Poor	538	1928
365th AVE over Ck	Poor condition + traffic exposure	Poor	59	1930
347th AVE over Ck	Poor condition + traffic exposure	Poor	43	1910
361st AVE over Ree Ck	Poor condition + traffic exposure	Poor	43	1910
361st AVE over Wolf Ck	Poor condition + traffic exposure	Poor	43	1913
365 AVE over Wolf Ck	Poor condition + traffic exposure	Poor	43	1915
370 AVE over Medicine Ck	Poor condition + traffic exposure	Poor	43	1915
Green Valley RD over Ck	Poor condition + traffic exposure	Poor	43	1920
365th AVE over Ree Ck	Poor condition + traffic exposure	Poor	43	1920
345th AVE over Ck	Poor condition + traffic exposure	Poor	43	1930

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.