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FM 774 over Heardsdale Slough

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

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

FM 774 over Heardsdale Slough in Refugio County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1972, making it 53 years old at the 2025 inventory.
It carries about 199 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 67 of the 135 inventoried bridges in Refugio County rated fair (49.6%); 2 (1.5%) 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


Structure	Prestressed concrete multiple box beam
Length	about 80 ft
Location	1.2 Mi E of SH 35
NBI structure number	161960044705050
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 77 over Dry Creek	1930	16,407	Good
US 77 SB over Drainage Ditch	1932	15,738	Good
US 77 over Drainage Ditch	1932	15,738	Fair
US 77 over Draw	1930	15,723	Fair
US 77 over Monkey Slough	1930	14,169	Fair
US 77 over Drainage Ditch	1953	12,572	Fair