US Bridges

I-84 (hwy 002) over Three Mile Creek

Fair

Wasco County, Oregon · In the Dalles · Structure no. 22248 002 08683

Built
2016
9 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
17,608
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (hwy 002) over Three Mile Creek is a prestressed concrete tee beam carrying I-84 (hwy 002) over Three Mile Creek in Wasco County, Oregon. It was built in 2016, so it is 9 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 17,608 vehicles a day, roughly 29% of them trucks, projected to reach 28,000 by 2042. The structure is 80 ft (24.4 m) long and 141 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-84 (hwy 002)
CrossesThree Mile Creek
LocationIn the Dalles
RouteInterstate 84
StateOregon
Coordinates45.6022, -121.142
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width141 ft (42.9 m)
Roadway width135 ft (41.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,608 (2022)
Projected traffic28,000 by 2042
Trucks29%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-84 (hwy 002) over Three Mile Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-84 (hwy 002) over Three Mile Creek 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 August 2024.

How much traffic does I-84 (hwy 002) over Three Mile Creek carry?

About 17,608 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is I-84 (hwy 002) over Three Mile Creek?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 141 ft wide.

Who owns I-84 (hwy 002) over Three Mile Creek?

It is owned by the State Highway Agency.