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Ih 35 Ml over San Marcos River

Hays County, Texas · rated Good in the 2025 National Bridge Inventory

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

Ih 35 Ml over San Marcos River in Hays County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 144,823 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 208 of the 273 inventoried bridges in Hays County rated good (76.2%); 1 (0.4%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 459 ft
Location	0.6 Mi N of SH 123
NBI structure number	141060001603227
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ih 35 Ml over Willow Springs Creek	2004	144,823	Good
Ih 35 Ml over Draw	1961	136,818	Good
Ih 35 Ml & Sbfr over Draw	1961	136,818	Fair
Ih 35 NB over SH 123	2023	134,690	Good
Ih 35 over Draw	1958	131,260	Fair
Ih 35 Ml over Blanco River	1935	127,801	Fair