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W 9TH Street over Mill Creek

Wasco County, Oregon · rated Good in the 2025 National Bridge Inventory

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

W 9TH Street over Mill Creek in Wasco County, Oregon, 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 1987, making it 38 years old at the 2025 inventory.
It carries about 2,138 vehicles a day (traffic count year 2020).
Its listed owner is a city or municipal highway agency.
It is one of 38 of the 148 inventoried bridges in Wasco County rated good (25.7%); 16 (10.8%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 99 ft
Location	City of the Dalles
NBI structure number	00463 365 00103
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-84 (hwy 002) over Rock Creek	1953	25,052	Fair
I-84 (hwy 002) over UPRR	2001	25,052	Good
I-84 (hwy 002) over Mosier Creek	2009	25,052	Good
I-84 (hwy 002) over Rowena Conn	1954	24,970	Fair
I-84 (hwy 002) over Hwy 292 O-xing	1964	24,749	Fair
I-84 (hwy 002) over Union Street	2003	24,749	Good