Dallas County Bridge Report Card
Dallas County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Dallas County, Texas
Dallas County has 3,261 bridges in the National Bridge Inventory, with 37 rated poor and 79 rated scour-critical. Its poor-condition share of 1.1% is at or below the 1.2% statewide average. Poor-condition bridges carry about 1,721,040 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Dallas County a Bridge Condition Exposure Score of 91/100 (A). The county has 3,261 bridges in the National Bridge Inventory, including 37 in poor condition and 79 rated scour-critical. Poor-condition bridges carry about 1,721,040 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 | 1.1% | 2.3 |
| Poor-condition traffic exposure | 25 | 2.0% of measured traffic | 1.5 |
| Scour-critical bridge share | 20 | 2.4% | 4.8 |
| Average age vs national baseline | 10 | 42 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 85,826,432 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 | 1.1% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.4% |
| Average Bridge Age | 42 years |
| Poor-Condition Traffic Exposure | 1,721,040 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Dallas County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Hillcrest RD NB over White Rock Creek | Poor condition + traffic exposure | Poor | 14,029 | 1974 |
| Pleasant Run RD over Ten Mile Creek | Poor condition + traffic exposure | Poor | 13,520 | 1966 |
| East Fork RD over Duck Creek | Poor condition + traffic exposure | Poor | 729 | 1950 |
| Barnes Bridge RD over Duck Creek | Poor condition + traffic exposure | Poor | 645 | 1950 |
| Parkinson RD over Ten Mile Creek Trib | Poor condition + traffic exposure | Poor | 203 | 1991 |
| IH 35e over Oak Lawn AVE & Turtle Ck | Poor condition + traffic exposure | Poor | 194,462 | 1959 |
| IH 45 NB Conn C over IH 30 | Poor condition + traffic exposure | Poor | 194,353 | 1961 |
| IH 635 over Draw | Poor condition + traffic exposure | Poor | 182,015 | 1969 |
| IH 35e NB Conn over Dart & Dnt | Poor condition + traffic exposure | Poor | 146,500 | 1967 |
| IH 30 over Lake Ray Hubbard | Poor condition + traffic exposure | Poor | 141,993 | 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.