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FM 770 over N Fork Little Willow Mar

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

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

FM 770 over N Fork Little Willow Mar in Liberty County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2024, making it 1 years old at the 2025 inventory.
It carries about 4,112 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 126 of the 240 inventoried bridges in Liberty County rated good (52.5%); 4 (1.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

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