US Bridges

US 395 over Columbia R-Riverside DR

Fair

Benton County, Washington · 0.3 N JCT SR 240 · Structure no. 0004195A0000000

Built
1954
71 years old, rebuilt 1986
Condition
Fair
inspected April 2024
Type
Arch - Thru
Steel Continuous
Length
2,521 ft
3 main spans
Daily traffic
34,219
2023 count
Owner
State
State Highway Agency

About this bridge

US 395 over Columbia R-Riverside DR is a steel continuous arch - thru carrying US 395 over Columbia R-Riverside DR in Benton County, Washington. It was built in 1954 and reconstructed in 1986, so it is 71 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 6 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 34,219 vehicles a day, roughly 6% of them trucks, projected to reach 42,290 by 2039. The structure is 2,521 ft (768.4 m) long and 66 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesUS 395
CrossesColumbia R-Riverside DR
Location0.3 N JCT SR 240
RouteU.S. Route 395
CountyBenton County
StateWashington
Coordinates46.22156, -119.13722
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 20
Structure length2,521 ft (768.4 m)
Longest span520 ft (158.5 m)
Deck width66 ft (20.1 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic34,219 (2023)
Projected traffic42,290 by 2039
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$88.6 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 395 over Columbia R-Riverside DR built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1986.

What condition is US 395 over Columbia R-Riverside DR 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 April 2024.

How much traffic does US 395 over Columbia R-Riverside DR carry?

About 34,219 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 395 over Columbia R-Riverside DR?

The structure is 2,521 ft (768.4 m) long with a longest span of 520 ft (158.5 m) and a deck 66 ft wide.

Who owns US 395 over Columbia R-Riverside DR?

It is owned by the State Highway Agency.