US Bridges

US 395 over 4th Ave

Fair

Benton County, Washington · 3.6 N JCT I-82 · Structure no. 0005741A0000000

Built
1958
67 years old, rebuilt 1985
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
119 ft
3 main spans
Daily traffic
16,878
2023 count
Owner
State
State Highway Agency

About this bridge

US 395 over 4th Ave is a concrete continuous slab carrying US 395 over 4th Ave in Benton County, Washington. It was built in 1958 and reconstructed in 1985, so it is 67 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,878 vehicles a day, roughly 9% of them trucks, projected to reach 20,058 by 2039. The structure is 119 ft (36.3 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 395
Crosses4th Ave
Location3.6 N JCT I-82
RouteU.S. Route 395
Coordinates46.20597, -119.15889
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span47 ft (14.3 m)
Deck width83 ft (25.3 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,878 (2023)
Projected traffic20,058 by 2039
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 395 over 4th Ave built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1985.

What condition is US 395 over 4th Ave in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does US 395 over 4th Ave carry?

About 16,878 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 395 over 4th Ave?

The structure is 119 ft (36.3 m) long with a longest span of 47 ft (14.3 m) and a deck 83 ft wide.

Who owns US 395 over 4th Ave?

It is owned by the State Highway Agency.