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I-82 over Coffin Road

Benton County, Washington · rated Fair in the 2025 National Bridge Inventory

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

I-82 over Coffin Road in Benton County, Washington, 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 1983, making it 42 years old at the 2025 inventory.
It carries about 11,119 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 61 of the 167 inventoried bridges in Benton County rated fair (36.5%); 11 (6.6%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 133 ft
Location	9.9 E Jct US 395
NBI structure number	0012303A0000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SR 240 over Wetland	2007	39,496	Good
I-182 over Columbia R City Streets	1984	36,943	Fair
I-182 over Columbia River	1984	36,943	Fair
C.c.b. over C.i.d. Canal	1970	36,358	Fair
US 395 over Columbia R-riverside Dr	1954	34,219	Fair
I-182 over Yakima River	1983	30,551	Good