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Ih 35 NB Ml over Onion Creek

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

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

Ih 35 NB Ml over Onion Creek in Travis County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 1987, making it 67 years old at the 2025 inventory.
It carries about 70,281 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 558 of the 1,552 inventoried bridges in Travis County rated fair (36.0%); 1 (0.1%) 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 607 ft
Location	2.6 Mi N of Hays C/l
NBI structure number	142270001601069
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
E Oltorf & N T/a over Ih 35 Ml	2017	185,424	Good
Ih 35 S T/a @ Olto over Ih 35 Ml	2021	185,424	Good
IH35 NB Ent Ramp over IH35 NB Exit Ramp	2019	185,424	Good
Ih 35 Ml over 26TH St (dean Keeton)	1976	178,313	Good
Ih 35 Ml & Fr over Butternut Branch	1953	176,077	Good
Ih 35 Ml & Fr over Tannehill Br	1953	170,802	Fair