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FM 1644 over Tidewell Creek

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

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

FM 1644 over Tidewell Creek in Robertson 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 1953, making it 72 years old at the 2025 inventory.
It carries about 457 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 79 of the 141 inventoried bridges in Robertson County rated fair (56.0%); 5 (3.5%) 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

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

Bridge	Built	Vehicles/day	Condition
US 190/SH 6 over Spring Creek	1925	24,915	Fair
US 190 / SH 6 over Lost Creek	1953	24,133	Fair
US 190 / SH 6 over UP RR	1953	24,133	Fair
US 190/SH 6 over Pin Oak Creek	1925	21,307	Fair
SH 6 over Sandy Creek	1956	20,587	Good
SH 6 over Mud Creek Branch	1934	12,701	Fair