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SH 45 WB Fr over Floodway

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

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

SH 45 WB Fr over Floodway in Williamson 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 2006, making it 19 years old at the 2025 inventory.
It carries about 5,920 vehicles a day (traffic count year 2010).
Its listed owner is the state highway agency.
It is one of 804 of the 1,171 inventoried bridges in Williamson County rated good (68.7%); 4 (0.3%) 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

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

Bridge	Built	Vehicles/day	Condition
Ih 35 SB over South San Gabriel River	1965	517,256	Fair
Ih 35 Ml & Nbfr over Draw	1960	209,037	Fair
N Ih 35 Off Ramp over UPRR & Mcneil Rd	2018	207,900	Good
N Ih 35 on Ramp over UPRR & Mcneil Rd	2018	207,900	Good
Ih 35 over Lake Creek	1960	160,231	Fair
Ih 35 over McNEIL RD; UP RR; Etc	1990	151,634	Fair