Bridge conditions in Galveston County, Texas
340 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
9 of the 340 bridges the federal inventory lists in Galveston County are rated poor; the rest split 189 good and 142 fair.
- 9 of the 340 bridges in Galveston County, Texas, are rated in poor condition (2.6%) in the 2025 National Bridge Inventory, as of .
- 189 bridges (55.6%) are rated good and 142 (41.8%) fair.
- The median Galveston County bridge was built in 1989.
- The busiest poor-rated bridge is Ih 45 SB over BNSF RR (built 1965), carrying about 33,950 vehicles a day.
Good 55.6% · Fair 41.8% · Poor 2.6% of 340 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 45 SB over BNSF RR | 1965 | 33,950 | Poor |
| FM 2004 over Highland Bayou | 1943 | 12,790 | Poor |
| Seawolf Pkwy over Pelican Island Chan | 1960 | 9,100 | Poor |
| SH 146 over SH3/UP/TCT/GH&H RR | 1968 | 9,090 | Poor |
| SH87 Ferry S Slp 1 over Galveston Bay | 1980 | 3,836 | Poor |
| 13TH Thru 19TH Ave over Drainage Ditch | 1980 | 2,250 | Poor |
| Bluewater Hwy over San Luis Pass | 1966 | 1,453 | Poor |
| Dunbar Estates Dr over Marys Crk | 1983 | 770 | Poor |
| S Oak St over Drainage Ditch | 1920 | 376 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| IH 45 MLs & FRs over Clear Crk Trib | 1998 | 171,700 | Good |
| Ih 45 over FM 518 | 2020 | 144,300 | Good |
| Ih 45 Nbml over FM 646 | 2020 | 115,900 | Good |
| Ih 45 Sbml over FM 646 | 2020 | 115,900 | Good |
| Ih 45 Nbml over Magnolia Bayou | 2020 | 115,900 | Good |
| Ih 45 SB over Magnolia Bayou | 2022 | 115,900 | Good |
| Ih 45 Nbml over Bordens Gully | 2020 | 115,900 | Good |
| Ih 45 Sbml over Bordens Gully | 2022 | 115,900 | Good |
| Ih 45 over SH 96 | 2009 | 81,439 | Good |
| Ih 45 over Drainage Ditch | 2009 | 81,439 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Texas: Texas bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.