Knox County Bridge Report Card

Knox 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

Knox County, Nebraska

Knox County has 329 bridges in the National Bridge Inventory, with 9 rated poor and 1 rated scour-critical. Its poor-condition share of 2.7% is at or below the 7.5% statewide average. Poor-condition bridges carry about 4,992 daily vehicle crossings.

329Total Bridges
9Poor (2.7%)
127Fair (38.6%)
1Scour-Critical

Quote-Ready Local Facts

2.7%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.
4,992daily vehicle crossings are on poor-condition bridges in the county.
1bridges are rated scour-critical, or 0.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Knox County a Bridge Condition Exposure Score of 89/100 (B). The county has 329 bridges in the National Bridge Inventory, including 9 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 4,992 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 share402.7%5.5
Poor-condition traffic exposure256.6% of measured traffic4.9
Scour-critical bridge share200.3%0.6
Average age vs national baseline1043 years vs 48 nationally0.0
Traffic-data completeness575,703 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 Share2.7%
State Poor-Condition Share7.5%
National Poor-Condition Share6.7%
County Scour-Critical Share0.3%
Average Bridge Age43 years
Poor-Condition Traffic Exposure4,992 vehicles/day

Bridges to Watch

Top Bridges to Watch in Knox County

BridgeReasonConditionDaily TrafficYear Built
N14 over Missouri RiverPoor condition + traffic exposurePoor8301996
Irr/n12 over Bazile CreekPoor condition + traffic exposurePoor1,2751946
N12 over Niobrara RiverPoor condition + traffic exposurePoor1,0351978
Irr/s54d Santee Sp over Lost CreekPoor condition + traffic exposurePoor7401970
N12 over Ponca CreekPoor condition + traffic exposurePoor5451961
N12 over StreamPoor condition + traffic exposurePoor5451961
Township Road over E Br Verdigris CreekPoor condition + traffic exposurePoor151935
Township Road over Little Bazile CreekPoor condition + traffic exposurePoor51935
Township Road over Verdigre Creek TributaryPoor condition + traffic exposurePoor21962
N59 over Bazile CreekHigh trafficGood2,3901986

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.