Jerauld County Bridge Report Card

Jerauld County scores 55 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F55 / 100

Local infrastructure snapshot

Jerauld County, South Dakota

Jerauld County has 35 bridges in the National Bridge Inventory, with 8 rated poor and 0 rated scour-critical. Its poor-condition share of 22.9% is above the 16.1% statewide average. Poor-condition bridges carry about 281 daily vehicle crossings.

35Total Bridges

8Poor (22.9%)

19Fair (54.3%)

0Scour-Critical

Quote-Ready Local Facts

22.9%of county bridges are in poor condition, compared with 16.1% statewide and 6.7% nationally.

281daily 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 Jerauld County a Bridge Condition Exposure Score of 55/100 (F). The county has 35 bridges in the National Bridge Inventory, including 8 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 281 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	22.9%	40.0
Poor-condition traffic exposure	25	3.1% of measured traffic	2.3
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	56 years vs 48 nationally	3.2
Traffic-data completeness	5	9,172 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	22.9%
State Poor-Condition Share	16.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	56 years
Poor-Condition Traffic Exposure	281 vehicles/day

Bridges to Watch

Busiest Poor-Condition Bridge234 Street over Smith Ck — 55 vehicles/day Oldest Listed Bridge231 Street over Crow Ck — built in 1925 All County BridgesBrowse every bridge record in Jerauld County.

Top Bridges to Watch in Jerauld County

Bridge	Reason	Condition	Daily Traffic	Year Built
234 Street over Smith Ck	Poor condition + traffic exposure	Poor	55	1968
231 Street over Crow Ck	Poor condition + traffic exposure	Poor	42	1925
220 Street over Ck	Poor condition + traffic exposure	Poor	42	1930
222nd Street over Ck	Poor condition + traffic exposure	Poor	42	1960
230 ST over Crow Ck	Poor condition + traffic exposure	Poor	35	2002
392 Avenue over Sand Ck	Poor condition + traffic exposure	Poor	25	2008
230 Street over Firesteel Ck	Poor condition + traffic exposure	Poor	20	1937
230th Street over Morris Ck	Poor condition + traffic exposure	Poor	20	1937
Us281 over Sand Ck	High traffic	Fair	1,385	1958
Sd034 over East Br Smith Ck	High traffic	Fair	1,218	1952

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.