US Bridges

I-82 over I-182

Fair

Benton County, Washington · JCT I-182 · Structure no. 0012451C0000000

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
14,175
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 over I-182 is a prestressed concrete continuous box beam or girders - multiple carrying I-82 over I-182 in Benton County, Washington. It was built in 1984, so it is 41 years old, younger 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 14,175 vehicles a day, roughly 15% of them trucks, projected to reach 16,697 by 2039. The structure is 256 ft (78 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-82
CrossesI-182
LocationJCT I-182
RouteInterstate 82
CountyBenton County
StateWashington
Coordinates46.24447, -119.36269
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length256 ft (78 m)
Longest span123 ft (37.5 m)
Deck width49 ft (15 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,175 (2023)
Projected traffic16,697 by 2039
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$4.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-82 over I-182 built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-82 over I-182 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 March 2023.

How much traffic does I-82 over I-182 carry?

About 14,175 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I-82 over I-182?

The structure is 256 ft (78 m) long with a longest span of 123 ft (37.5 m) and a deck 49 ft wide.

Who owns I-82 over I-182?

It is owned by the State Highway Agency.