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Katy Flewellen EB over Buffalo Bayou

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

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

Katy Flewellen EB over Buffalo Bayou in Fort Bend 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 2011, making it 14 years old at the 2025 inventory.
It carries about 6,200 vehicles a day (traffic count year 2009).
Its listed owner is the county highway agency.
It is one of 196 of the 804 inventoried bridges in Fort Bend County rated fair (24.4%); 20 (2.5%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 259 ft
Location	0.44 M SW of Pin Oak Rd.
NBI structure number	120800AA0376001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 90A over Drainage Ditch	1998	215,954	Good
Ih 69 / US 59 over Storm Sewer Lateral	1970	183,561	Fair
Ih 69 / US 59 over Kirkwood Dr	2000	183,561	Fair
Ih 69 / US 59 over W Airport Blvd	2000	183,561	Good
Ih 69 / US 59 over US 90A & UP RR	2002	183,561	Fair
Ih 69/US 59 over SH 6	2002	156,030	Good