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US 197 (hwy 004) over Tygh Creek

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

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

US 197 (hwy 004) over Tygh Creek in Wasco County, Oregon, 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 1962, making it 63 years old at the 2025 inventory.
It carries about 1,403 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 94 of the 148 inventoried bridges in Wasco County rated fair (63.5%); 16 (10.8%) 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 150 ft
Location	012 Mi S Tygh Valley
NBI structure number	08994 004 03525
Condition class	Fair

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