Norton County Bridge Report Card
Norton County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Norton County, Kansas
Norton County has 243 bridges in the National Bridge Inventory, with 5 rated poor and 4 rated scour-critical. Its poor-condition share of 2.1% is at or below the 5.2% statewide average. Poor-condition bridges carry about 140 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Norton County a Bridge Condition Exposure Score of 92/100 (A). The county has 243 bridges in the National Bridge Inventory, including 5 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 140 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 2.1% | 4.1 |
| Poor-condition traffic exposure | 25 | 0.2% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 1.6% | 3.3 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 74,702 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 | 2.1% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.6% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 140 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Norton County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Rd. H over Buffalo Creek | Poor condition + traffic exposure | Poor | 60 | 1972 |
| Rd. W1 over Robinson Creek | Poor condition + traffic exposure | Poor | 40 | 1933 |
| Rd. E over Walnut Creek | Poor condition + traffic exposure | Poor | 20 | 1962 |
| Rd. Bb over N. Fork Solomon River | Poor condition + traffic exposure | Poor | 15 | 1930 |
| Rd. D over Walnut Creek | Poor condition + traffic exposure | Poor | 5 | 1997 |
| Rd. E5 over Prairie Dog Creek | Scour-critical foundation rating | Fair | 35 | 1969 |
| Rd. Cc over North Fork Solomon River | Scour-critical foundation rating | Fair | 30 | 1960 |
| Rd. B over Sappa Creek | Scour-critical foundation rating | Fair | 30 | 1974 |
| Rd. G over Long Branch | Scour-critical foundation rating | Fair | 25 | 1972 |
| Us-36 HWY over Kyle Rr & Local Road | High traffic | Good | 4,414 | 2004 |
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.