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FM 159 over Big Spring Creek

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

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

FM 159 over Big Spring Creek in Brazos County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 472 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 135 of the 374 inventoried bridges in Brazos County rated fair (36.1%); 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	Concrete stringer or multi-beam girder
Length	about 151 ft
Location	1.5 Mi N of SH 105
NBI structure number	170210054005035
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SH 6 Mls & Frs over Bee Creek	1971	58,504	Fair
SH 6 Mls & Frs over Draw	1971	57,636	Fair
SH 6 Mls over Sewer Creek	1971	56,179	Fair
SH 6 Mls & Frs over Draw	1971	56,048	Fair
Bs 6 over Wolfpen Creek	1960	53,292	Fair
Bs 6 over Bee Creek	1932	48,130	Fair