Galveston County Bridge Report Card
Galveston County scores 92 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Galveston County, Texas
Galveston County has 340 bridges in the National Bridge Inventory, with 9 rated poor and 2 rated scour-critical. Its poor-condition share of 2.6% is above the 1.2% statewide average. Poor-condition bridges carry about 73,615 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Galveston County a Bridge Condition Exposure Score of 92/100 (A). The county has 340 bridges in the National Bridge Inventory, including 9 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 73,615 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 | 2.6% | 5.3 |
| Poor-condition traffic exposure | 25 | 1.6% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 0.6% | 1.2 |
| Average age vs national baseline | 10 | 38 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 4,567,457 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 | 2.6% |
| State Poor-Condition Share | 1.2% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.6% |
| Average Bridge Age | 38 years |
| Poor-Condition Traffic Exposure | 73,615 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Galveston County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Seawolf PKWY over Pelican Island Chan | Poor condition + traffic exposure | Poor | 9,100 | 1960 |
| S Oak ST over Drainage Ditch | Poor condition + traffic exposure | Poor | 376 | 1920 |
| IH 45 SB over Bnsf Rr | Poor condition + traffic exposure | Poor | 33,950 | 1965 |
| FM 2004 over Highland Bayou | Poor condition + traffic exposure | Poor | 12,790 | 1943 |
| SH 146 over Sh3/up/tct/gh&h Rr | Poor condition + traffic exposure | Poor | 9,090 | 1968 |
| Sh87 Ferry S Slp 1 over Galveston Bay | Poor condition + traffic exposure | Poor | 3,836 | 1980 |
| 13th Thru 19th AVE over Drainage Ditch | Poor condition + traffic exposure | Poor | 2,250 | 1980 |
| Bluewater HWY over San Luis Pass | Poor condition + traffic exposure | Poor | 1,453 | 1966 |
| Dunbar Estates DR over Marys Crk | Poor condition + traffic exposure | Poor | 770 | 1983 |
| IH 45 Mls & Frs over Clear Crk Trib | High traffic | Good | 171,700 | 1998 |
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.