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Post Oak Road over Manahuilla Creek

Goliad County, Texas · rated Poor in the 2025 National Bridge Inventory

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

Post Oak Road over Manahuilla Creek in Goliad County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1960 and reconstructed in 1975, making it 65 years old at the 2025 inventory.
It carries about 130 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 2 of the 126 inventoried bridges in Goliad County rated poor (1.6%); 2 (1.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 130 ft
Location	0.30 Mi NE of FM 1726
NBI structure number	160890AA0145001
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 59 over Sparrow Creek	1929	9,644	Fair
US 59 over Draw	2008	8,401	Good
US 59 over Draw	1929	7,250	Fair
US 59 over Draw	2008	6,493	Good
US 59 over FM 2987	2008	5,897	Good
US 183 over 18 Mile Coleto Creek	2024	5,800	Good