Grayson County Bridge Report Card
Grayson County scores 93 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Grayson County, Texas
Grayson County has 508 bridges in the National Bridge Inventory, with 9 rated poor and 8 rated scour-critical. Its poor-condition share of 1.8% is above the 1.2% statewide average. Poor-condition bridges carry about 2,338 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Grayson County a Bridge Condition Exposure Score of 93/100 (A). The county has 508 bridges in the National Bridge Inventory, including 9 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 2,338 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 | 1.8% | 3.5 |
| Poor-condition traffic exposure | 25 | 0.1% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 1.6% | 3.1 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 2,453,927 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 | 1.8% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.6% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 2,338 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Grayson County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| O.b. Groner RD over Choctaw Creek | Poor condition + traffic exposure | Poor | 969 | 1982 |
| Craft RD over Trib Of Choctaw CR | Poor condition + traffic exposure | Poor | 447 | 1950 |
| Southmayd RD over Elba Creek | Poor condition + traffic exposure | Poor | 205 | 1975 |
| Sister Grove RD over W Prong Sister Grove Ck | Poor condition + traffic exposure | Poor | 195 | 1988 |
| Whitney RD over Calf Creek | Poor condition + traffic exposure | Poor | 190 | 1988 |
| Calf Creek RD over Calf Creek | Poor condition + traffic exposure | Poor | 152 | 1990 |
| Plainview RD over Harris Creek | Poor condition + traffic exposure | Poor | 130 | 1986 |
| Prescott RD over Draw | Poor condition + traffic exposure | Poor | 40 | 1963 |
| Texas Longhorns RD over Draw | Poor condition + traffic exposure | Poor | 10 | 1988 |
| US 82 WB over Post Oak Creek | Scour-critical foundation rating | Fair | 12,948 | 1971 |
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.