Thomas County Bridge Report Card
Thomas County scores 88 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Thomas County, Kansas
Thomas County has 82 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 2.4% is at or below the 5.2% statewide average. Poor-condition bridges carry about 6,430 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Thomas County a Bridge Condition Exposure Score of 88/100 (B). The county has 82 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,430 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 | 2.4% | 4.9 |
| Poor-condition traffic exposure | 25 | 3.3% of measured traffic | 2.5 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 59 years vs 48 nationally | 4.5 |
| Traffic-data completeness | 5 | 196,241 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 | 2.4% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 59 years |
| Poor-Condition Traffic Exposure | 6,430 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Thomas County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I70 HWY Wl-el over S Fork Solomon River | Poor condition + traffic exposure | Poor | 6,400 | 1966 |
| County RD 21 over South Fork Saline River | Poor condition + traffic exposure | Poor | 30 | 1930 |
| K25 HWY over Prairie Dog Creek Drg | High traffic | Fair | 7,096 | 1965 |
| Us24 HWY over Prairie Dog Creek Drg | High traffic | Good | 6,605 | 1938 |
| I-70 Highway over N Fork Solomon River | High traffic | Good | 6,350 | 1965 |
| I-70 HWY Westbound over Union Pacific Railroad | High traffic | Good | 6,350 | 1965 |
| I-70 HWY Eastbound over Union Pacific Railroad | High traffic | Good | 6,350 | 1965 |
| I-70 Highway over S Fk Solomon R Drain | High traffic | Good | 6,350 | 1965 |
| I-70 HWY Westbound over K-25 Highway | High traffic | Good | 6,200 | 1965 |
| I-70 HWY Eastbound over K-25 Highway | High traffic | Good | 6,200 | 1965 |
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.