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IH610 E&W/US290(C) over IH610;US290;Mangum&Dacom

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

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

IH610 E&W/US290(C) over IH610;US290;Mangum&Dacom in Harris 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 2020, making it 5 years old at the 2025 inventory.
It carries about 31,695 vehicles a day (traffic count year 2011).
Its listed owner is the state highway agency.
It is one of 2,011 of the 4,040 inventoried bridges in Harris County rated good (49.8%); 24 (0.6%) 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


Structure	Continuous steel multiple box beam
Length	about 11,690 ft
Location	IH610 & US 290
NBI structure number	121020027114696
Condition class	Good

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