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Bw 8 WB to US59 SB over US 59 BW 8 Ramps

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

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

Bw 8 WB to US59 SB over US 59 BW 8 Ramps 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 superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 28,290 vehicles a day (traffic count year 2021).
Its listed owner is the state 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	Continuous steel multiple box beam
Length	about 3,902 ft
Location	BW8 US59 N Interchange
NBI structure number	121020017707395
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