US Bridges

Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55)

Good

Malheur County, Oregon · 0.3 MI N Ontario NW C Lmt · Structure no. 20398 455 02520

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
251 ft
2 main spans
Daily traffic
13,346
2022 count
Owner
State
State Highway Agency

About this bridge

Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55) is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55) in Malheur County, Oregon. It was built in 2008, so it is 17 years old, younger than the Oregon average of 49.9 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 13,346 vehicles a day, roughly 25% of them trucks, projected to reach 20,700 by 2042. The structure is 251 ft (76.5 m) long and 72 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOr 201 (hwy 455)
CrossesI-84 (hwy 6 MP 374.55)
Location0.3 MI N Ontario NW C Lmt
RouteState Highway 201
CountyMalheur County
StateOregon
Coordinates44.04873, -116.97648
Functional classUrban Other Principal Arterial

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 inspectionApril 2024
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 rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length251 ft (76.5 m)
Longest span130 ft (39.6 m)
Deck width72 ft (21.9 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,346 (2022)
Projected traffic20,700 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55) built?

It was built in 2008, making it 17 years old in 2025.

What condition is Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55) 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 April 2024.

How much traffic does Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55) carry?

About 13,346 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55)?

The structure is 251 ft (76.5 m) long with a longest span of 130 ft (39.6 m) and a deck 72 ft wide.

Who owns Or 201 (hwy 455) over I-84 (hwy 6 MP 374.55)?

It is owned by the State Highway Agency.