Grayson County Bridge Report Card
Grayson County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Grayson County, Kentucky
Grayson County has 119 bridges in the National Bridge Inventory, with 6 rated poor and 0 rated scour-critical. Its poor-condition share of 5.0% is at or below the 7.5% statewide average. Poor-condition bridges carry about 4,040 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Grayson County a Bridge Condition Exposure Score of 86/100 (B). The county has 119 bridges in the National Bridge Inventory, including 6 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 4,040 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 | 5.0% | 10.1 |
| Poor-condition traffic exposure | 25 | 2.6% of measured traffic | 1.9 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 53 years vs 48 nationally | 2.2 |
| Traffic-data completeness | 5 | 157,119 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 | 5.0% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 53 years |
| Poor-Condition Traffic Exposure | 4,040 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grayson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 79 over Project Spillway | Poor condition + traffic exposure | Poor | 1,801 | 1958 |
| Ky-79 over Rough River Lake | Poor condition + traffic exposure | Poor | 1,801 | 1960 |
| Ky-1168 over Carter Creek | Poor condition + traffic exposure | Poor | 351 | 1986 |
| Buckhorn Road over Taylors Fork Creek | Poor condition + traffic exposure | Poor | 50 | 1901 |
| Pleasant View RD over South Fk.caney Creek | Poor condition + traffic exposure | Poor | 28 | 1977 |
| Fragrant RD over Branch - Rock Creek | Poor condition + traffic exposure | Poor | 9 | 1950 |
| Ky-259 over Western Kentucky Parkway | High traffic | Good | 12,247 | 2004 |
| Wk-9001 over Clifty Creek | High traffic | Fair | 11,993 | 1963 |
| Wk-9001 over Caney Fork | High traffic | Fair | 11,155 | 1962 |
| Wk-9001 over Alder Creek | High traffic | Fair | 11,155 | 1962 |
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.