Webb County Bridge Report Card
Webb County scores 95 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Webb County, Texas
Webb County has 380 bridges in the National Bridge Inventory, with 4 rated poor and 5 rated scour-critical. Its poor-condition share of 1.1% is at or below the 1.2% statewide average. Poor-condition bridges carry about 12,460 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Webb County a Bridge Condition Exposure Score of 95/100 (A). The county has 380 bridges in the National Bridge Inventory, including 4 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 12,460 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% | 2.1 |
| Poor-condition traffic exposure | 25 | 0.3% of measured traffic | 0.3 |
| Scour-critical bridge share | 20 | 1.3% | 2.6 |
| Average age vs national baseline | 10 | 48 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 3,564,403 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 | 1.3% |
| Average Bridge Age | 48 years |
| Poor-Condition Traffic Exposure | 12,460 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Webb County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Espejo-gates RD over Velenzuela Creek Relief | Poor condition + traffic exposure | Poor | 4,242 | 1953 |
| Espejo-gates RD over Velenzuela Creek | Poor condition + traffic exposure | Poor | 4,242 | 1953 |
| Lowry RD over Drainage Ditch | Poor condition + traffic exposure | Poor | 3,724 | 1992 |
| Mangana Hein RD over Dolores Creek | Poor condition + traffic exposure | Poor | 252 | 1988 |
| Sp 400 over Chacon Creek | Scour-critical foundation rating | Good | 20,937 | 1996 |
| Mcpherson RD over Manadas Creek Tributary | Scour-critical foundation rating | Good | 19,242 | 1998 |
| FM 1472 NB over Santa Isabel Creek | Scour-critical foundation rating | Good | 4,260 | 2000 |
| SH 255 over Santa Isabel Creek | Scour-critical foundation rating | Fair | 1,930 | 1999 |
| FM 1472 SB Acc Lp over Manadas Creek | Scour-critical foundation rating | Fair | 1,554 | 2008 |
| IH 35 Ml over US 59 | High traffic | Fair | 83,271 | 1965 |
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.