US Bridges

I-82 over SR 397/LOCUST Grove RD

Good

Benton County, Washington · 1.6 E JCT US 395 · Structure no. 0012607B0000000

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
10,832
2023 count
Owner
State
State Highway Agency

About this bridge

I-82 over SR 397/LOCUST Grove RD is a prestressed concrete stringer/multi-beam or girder carrying I-82 over SR 397/LOCUST Grove RD 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,832 vehicles a day, roughly 22% of them trucks, projected to reach 12,683 by 2039. The structure is 126 ft (38.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-82
CrossesSR 397/LOCUST Grove RD
Location1.6 E JCT US 395
RouteInterstate 82
Coordinates46.14214, -119.20183
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span121 ft (37 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,832 (2023)
Projected traffic12,683 by 2039
Trucks22%
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$2.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-82 over SR 397/LOCUST Grove RD built?

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

What condition is I-82 over SR 397/LOCUST Grove RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does I-82 over SR 397/LOCUST Grove RD carry?

About 10,832 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is I-82 over SR 397/LOCUST Grove RD?

The structure is 126 ft (38.4 m) long with a longest span of 121 ft (37 m) and a deck 41 ft wide.

Who owns I-82 over SR 397/LOCUST Grove RD?

It is owned by the State Highway Agency.