Kingsbury County Bridge Report Card

Kingsbury County scores 29 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F29 / 100

Local infrastructure snapshot

Kingsbury County, South Dakota

Kingsbury County has 35 bridges in the National Bridge Inventory, with 10 rated poor and 3 rated scour-critical. Its poor-condition share of 28.6% is above the 16.1% statewide average. Poor-condition bridges carry about 1,449 daily vehicle crossings.

35Total Bridges

10Poor (28.6%)

19Fair (54.3%)

3Scour-Critical

Quote-Ready Local Facts

28.6%of county bridges are in poor condition, compared with 16.1% statewide and 6.7% nationally.

1,449daily vehicle crossings are on poor-condition bridges in the county.

3bridges are rated scour-critical, or 8.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Kingsbury County a Bridge Condition Exposure Score of 29/100 (F). The county has 35 bridges in the National Bridge Inventory, including 10 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 1,449 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	28.6%	40.0
Poor-condition traffic exposure	25	10.6% of measured traffic	7.9
Scour-critical bridge share	20	8.6%	17.1
Average age vs national baseline	10	62 years vs 48 nationally	5.6
Traffic-data completeness	5	13,690 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	28.6%
State Poor-Condition Share	16.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	8.6%
Average Bridge Age	62 years
Poor-Condition Traffic Exposure	1,449 vehicles/day

Bridges to Watch

Busiest Poor-Condition Bridge208th ST over South Fork Pearl Ck — 913 vehicles/day Oldest Listed Bridge203rd Street over Ck — built in 1921 All County BridgesBrowse every bridge record in Kingsbury County.

Top Bridges to Watch in Kingsbury County

Bridge	Reason	Condition	Daily Traffic	Year Built
208th ST over Ck	Poor condition + traffic exposure	Poor	220	1932
208th ST over South Fork Pearl Ck	Poor condition + traffic exposure	Poor	913	1933
212th ST over Lake Whitewood	Poor condition + traffic exposure	Poor	104	1978
425th AVE over Ck	Poor condition + traffic exposure	Poor	95	1935
209th ST over Ck	Poor condition + traffic exposure	Poor	35	1930
206th Street over Redstone Ck	Poor condition + traffic exposure	Poor	27	1940
203rd ST over South Fork Pearl Ck	Poor condition + traffic exposure	Poor	15	1930
207th ST over Redstone Ck	Poor condition + traffic exposure	Poor	15	1935
210th Street over Redstone Ck	Poor condition + traffic exposure	Poor	15	1950
220th ST over Rock Ck	Poor condition + traffic exposure	Poor	10	1987

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.