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FM 170 over Alamito Creek

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

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

FM 170 over Alamito Creek in Presidio 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 1987, making it 38 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 44 of the 75 inventoried bridges in Presidio County rated fair (58.7%); 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 stringer or multi-beam girder
Length	about 569 ft
Location	6.2 Mi SE of US 67 Bus
NBI structure number	241890095708018
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 90 over Mimms Draw	1937	3,614	Fair
US 67 NB over Rio Grande River	1985	3,563	Fair
US 67 SB over Rio Grande River	2023	3,198	Good
US 67/90 over Greenlee Draw Relief	1932	2,623	Fair
US 67/90 over Greenlee Draw	1932	2,623	Fair
US 67/90 over Alamito Creek	1932	2,623	Fair