Graham County Bridge Report Card
Graham County scores 76 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Graham County, Kansas
Graham County has 142 bridges in the National Bridge Inventory, with 10 rated poor and 4 rated scour-critical. Its poor-condition share of 7.0% is above the 5.2% statewide average. Poor-condition bridges carry about 405 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Graham County a Bridge Condition Exposure Score of 76/100 (C). The county has 142 bridges in the National Bridge Inventory, including 10 in poor condition and 4 rated scour-critical. Poor-condition bridges carry about 405 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 | 7.0% | 14.1 |
| Poor-condition traffic exposure | 25 | 1.1% of measured traffic | 0.8 |
| Scour-critical bridge share | 20 | 2.8% | 5.6 |
| Average age vs national baseline | 10 | 58 years vs 48 nationally | 3.9 |
| Traffic-data completeness | 5 | 37,727 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 | 7.0% |
| State Poor-Condition Share | 5.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.8% |
| Average Bridge Age | 58 years |
| Poor-Condition Traffic Exposure | 405 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Graham County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| 190 AVE (north) over Bow Creek | Poor condition + traffic exposure | Poor | 85 | 1925 |
| 190 AVE (north) over Rock Creek | Poor condition + traffic exposure | Poor | 45 | 1940 |
| P Road (east) over Trib. To S. Fork Solomon | Poor condition + traffic exposure | Poor | 40 | 1935 |
| 290 AVE (south) over Trib. To Saline River | Poor condition + traffic exposure | Poor | 40 | 1940 |
| 310 AVE (south) over Trib. To Saline River | Poor condition + traffic exposure | Poor | 40 | 1955 |
| 260 AVE (north) over Trib. To Coon Creek | Poor condition + traffic exposure | Poor | 40 | 1965 |
| Dd Road (east) over Bow Creek | Poor condition + traffic exposure | Poor | 40 | 1965 |
| 180 AVE (south) over Brush Creek | Poor condition + traffic exposure | Poor | 40 | 1981 |
| 125 Ave. (23) over Antelope Creek | Poor condition + traffic exposure | Poor | 30 | 1910 |
| 150 AVE (south) over Brush Creek | Poor condition + traffic exposure | Poor | 5 | 1995 |
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.