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Zavalla St over Sims Byu

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

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

Zavalla St over Sims Byu in Harris 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 1940, making it 85 years old at the 2025 inventory.
It carries about 1,570 vehicles a day (traffic count year 2014).
Its listed owner is a city or municipal highway agency.
It is one of 2,005 of the 4,040 inventoried bridges in Harris County rated fair (49.6%); 24 (0.6%) 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	Concrete stringer or multi-beam girder
Length	about 92 ft
Location	0.50 Mi S of US 90
NBI structure number	121020B71721934
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 10 over Drain	2007	405,615	Good
Ih 10 over Rummel Creek	2007	387,238	Good
Ih 10 over Rummel Creek & Trib	2007	387,238	Good
IH 10/Campbell Rd over Drainage Ditch	2005	373,095	Good
Ih 10 over Hcfcd Ditch	2006	333,229	Good
House-hahl Road over Big Cypress Creek	2015	307,170	Good