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FM 1015 over Delta Lake Drain

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

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

FM 1015 over Delta Lake Drain in Willacy County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1998, making it 27 years old at the 2025 inventory.
It carries about 1,058 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 56 of the 122 inventoried bridges in Willacy County rated fair (45.9%); 0 (0.0%) 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 127 ft
Location	1.3 Mi S of FM 490
NBI structure number	212450122801013
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 Willacy Co Drain	1984	21,276	Good
US 77 NB over Spur 413	2003	12,122	Good
US 77 SB over Spur 413	2003	11,862	Good
US 77 NB over FM 1018	2003	11,862	Good
US 77 SB over FM 1018	2003	11,862	Good
US 77 NB over FM 498	2003	11,204	Good