US Bridges

US 395 (hwy 28) over Mckay Creek

Good

Umatilla County, Oregon · 04.1 MI S JCT I-84 · Structure no. 20869 028 00577

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
4,395
2022 count
Owner
State
State Highway Agency

About this bridge

US 395 (hwy 28) over Mckay Creek is a prestressed concrete stringer/multi-beam or girder carrying US 395 (hwy 28) over Mckay Creek in Umatilla County, Oregon. It was built in 2010, so it is 15 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 4,395 vehicles a day, roughly 18% of them trucks, projected to reach 5,300 by 2042. The structure is 120 ft (36.6 m) long and 59 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS 395 (hwy 28)
CrossesMckay Creek
Location04.1 MI S JCT I-84
RouteU.S. Route 395
StateOregon
Coordinates45.60949, -118.80193
Functional classRural Principal Arterial - Other

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating72.1 US tons
Inventory rating55.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,395 (2022)
Projected traffic5,300 by 2042
Trucks18%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 395 (hwy 28) over Mckay Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 395 (hwy 28) over Mckay Creek 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 September 2024.

How much traffic does US 395 (hwy 28) over Mckay Creek carry?

About 4,395 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 395 (hwy 28) over Mckay Creek?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 59 ft wide.

Who owns US 395 (hwy 28) over Mckay Creek?

It is owned by the State Highway Agency.