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FM 486 over Little River Slough

Milam County, Texas · rated Poor in the 2025 National Bridge Inventory

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

FM 486 over Little River Slough in Milam County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 1,111 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 2 of the 193 inventoried bridges in Milam County rated poor (1.0%); 2 (1.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 392 ft
Location	4.4 Mi S of US 190
NBI structure number	171660033705026
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 79 over Ham Branch	1927	15,363	Fair
US 79 over BNSF RR	1989	11,173	Fair
US 79 over Brushy Creek Relief No 1	1996	10,184	Good
US 79 over Brushy Creek Relief No 2	1996	10,184	Good
US 79 over Brushy Creek	1996	10,184	Good
US 79 over Salty Creek	1997	10,184	Good