Trego County Bridge Report Card
Trego County scores 87 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Trego County, Kansas
Trego County has 165 bridges in the National Bridge Inventory, with 6 rated poor and 1 rated scour-critical. Its poor-condition share of 3.6% is at or below the 5.2% statewide average. Poor-condition bridges carry about 200 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Trego County a Bridge Condition Exposure Score of 87/100 (B). The county has 165 bridges in the National Bridge Inventory, including 6 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 200 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 | 3.6% | 7.3 |
| Poor-condition traffic exposure | 25 | 0.1% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 0.6% | 1.2 |
| Average age vs national baseline | 10 | 59 years vs 48 nationally | 4.6 |
| Traffic-data completeness | 5 | 207,815 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 | 3.6% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.6% |
| Average Bridge Age | 59 years |
| Poor-Condition Traffic Exposure | 200 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Trego County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 380th Ave(rs 1747) over Trib To Smoky Hill River | Poor condition + traffic exposure | Poor | 75 | 1934 |
| 390th Ave(rs 1876) over Smoky Hill River | Poor condition + traffic exposure | Poor | 40 | 1953 |
| Ee Road over Sand Creek | Poor condition + traffic exposure | Poor | 35 | 1950 |
| 370th AVE over Spring Creek | Poor condition + traffic exposure | Poor | 25 | 1968 |
| 370th AVE over Spring Creek | Poor condition + traffic exposure | Poor | 15 | 1920 |
| 220th AVE over Saline River | Poor condition + traffic exposure | Poor | 10 | 1932 |
| 210th AVE over Downer Creek | Scour-critical foundation rating | Fair | 30 | 1964 |
| I70 HWY WB over Us40 Bs Route | High traffic | Fair | 6,850 | 1959 |
| I70 HWY EB over Us40 Bs Route | High traffic | Good | 6,850 | 1959 |
| I70 HWY WB over Local Road | High traffic | Good | 6,850 | 1959 |
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.