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FM 770 over S Fk Little Willow Marsh

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

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

FM 770 over S Fk Little Willow Marsh in Liberty 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 1930 and reconstructed in 1955, making it 95 years old at the 2025 inventory.
It carries about 1,840 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 4 of the 240 inventoried bridges in Liberty County rated poor (1.7%); 4 (1.7%) 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

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

Bridge	Built	Vehicles/day	Condition
US 59 over Atsf RR & Drain	1987	35,560	Good
US 59 over Sl 573	1987	33,938	Good
US 59 over SL 573 & Ditch	1987	29,958	Fair
US 59 over Drainage Ditch	1987	29,958	Fair
US 59 Ml & Sbfr over Drainage Ditch	1987	29,124	Good
US 59 Ml & Sbfr over Little Tarkington Bayou	1987	29,124	Fair