US Bridges

Wilshire ST over Tri-Met Lrt

Fair

Washington County, Oregon · Wilshire 0.1M S of 047 · Structure no. 17302 000 00000

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
97,852
2022 count
Owner
Local
Other Local Agency

About this bridge

Wilshire ST over Tri-Met Lrt is a concrete frame carrying Wilshire ST over Tri-Met Lrt in Washington County, Oregon. It was built in 1994, so it is 31 years old, younger than the Oregon average of 49.9 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 97,852 vehicles a day, roughly 3% of them trucks, projected to reach 108,100 by 2042. The structure is 32 ft (9.8 m) long and 350 ft wide.

CarriesWilshire ST
CrossesTri-Met Lrt
LocationWilshire 0.1M S of 047
RouteCity Street 0
StateOregon
Coordinates45.50628, -122.78085
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width350 ft (106.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97,852 (2022)
Projected traffic108,100 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$298,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilshire ST over Tri-Met Lrt built?

It was built in 1994, making it 31 years old in 2025.

What condition is Wilshire ST over Tri-Met Lrt 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 November 2024.

How much traffic does Wilshire ST over Tri-Met Lrt carry?

About 97,852 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Wilshire ST over Tri-Met Lrt?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 350 ft wide.

Who owns Wilshire ST over Tri-Met Lrt?

It is owned by the Other Local Agency.