Nobles County Bridge Report Card

Nobles County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B89 / 100
Local infrastructure snapshot

Nobles County, Minnesota

Nobles County has 306 bridges in the National Bridge Inventory, with 5 rated poor and 11 rated scour-critical. Its poor-condition share of 1.6% is at or below the 4.5% statewide average. Poor-condition bridges carry about 645 daily vehicle crossings.

306Total Bridges
5Poor (1.6%)
95Fair (31.0%)
11Scour-Critical

Quote-Ready Local Facts

1.6%of county bridges are in poor condition, compared with 4.5% statewide and 6.7% nationally.
645daily vehicle crossings are on poor-condition bridges in the county.
11bridges are rated scour-critical, or 3.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Nobles County a Bridge Condition Exposure Score of 89/100 (B). The county has 306 bridges in the National Bridge Inventory, including 5 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 645 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%3.3
Poor-condition traffic exposure250.3% of measured traffic0.3
Scour-critical bridge share203.6%7.2
Average age vs national baseline1042 years vs 48 nationally0.0
Traffic-data completeness5184,983 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 Share4.5%
National Poor-Condition Share6.7%
County Scour-Critical Share3.6%
Average Bridge Age42 years
Poor-Condition Traffic Exposure645 vehicles/day

Bridges to Watch

Top Bridges to Watch in Nobles County

BridgeReasonConditionDaily TrafficYear Built
Csah 3 over Elk CreekPoor condition + traffic exposurePoor1851966
Csah 9 over StreamPoor condition + traffic exposurePoor3301950
CR 54 over StreamPoor condition + traffic exposurePoor801952
T 144 over DitchPoor condition + traffic exposurePoor491970
Service RD over Kanaranzi CreekPoor condition + traffic exposurePoor11915
Csah 19 over Elk CreekScour-critical foundation ratingFair5001965
Csah 19 over Br Elk CrkScour-critical foundation ratingFair5001965
Csah 19 over StreamScour-critical foundation ratingFair5001965
Csah 16 over Champepadan CreekScour-critical foundation ratingGood3251977
Csah 6 over Little Rock RiverScour-critical foundation ratingGood2951930

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.