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US 181 SB over Drainage Ditch

San Patricio County, Texas · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

US 181 SB over Drainage Ditch in San Patricio County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1942 and reconstructed in 1967, making it 83 years old at the 2025 inventory.
It carries about 4,464 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 127 of the 241 inventoried bridges in San Patricio County rated fair (52.7%); 2 (0.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.

Bridge	Built	Vehicles/day	Condition
US 181 over La Quinta Drainage Ditch	2024	45,911	Good
US 181 SBFR & Ramp over Drainage Ditch	2008	43,726	Good
US 181 over Drain	1970	35,542	Fair
US 181 SB over FM 3239 (buddy Ganem Dr)	1987	24,117	Fair
SH 35 over Drainage Ditch	1926	22,697	Fair
Ih 37 Ml & Efr over Draw	1970	22,516	Good