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Bi 20 over AT and SF RR Walnut St

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

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

Bi 20 over AT and SF RR Walnut St in Nolan 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 5 (fair condition) on the 0-9 scale.
It was built in 1935 and reconstructed in 2008, making it 90 years old at the 2025 inventory.
It carries about 4,700 vehicles a day (traffic count year 2013).
Its listed owner is the state highway agency.
It is one of 86 of the 163 inventoried bridges in Nolan County rated fair (52.8%); 5 (3.1%) 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	Continuous steel stringer or multi-beam girder
Length	about 657 ft
Location	0.35 Mi SW of SH 70 Bus
NBI structure number	081770000615009
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 20 over Drainage Ditch	1954	25,750	Fair
Ih 20 over Town Creek	1961	24,170	Fair
Ih 20 over Draw	1961	24,170	Fair
Ih 20 Ml & Nfr over Draw	1961	24,170	Fair
Ih 20 over Draw	1960	20,180	Fair
Ih 20 over Draw	1960	20,180	Fair