US Bridges

Mckay Creek Road over Mckay Creek

Fair

Umatilla County, Oregon · 3.4 MI E of Shaw Road · Structure no. 59C025105200345

Built
1982
43 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
78
2020 count
Owner
County
County Highway Agency

About this bridge

Mckay Creek Road over Mckay Creek is a prestressed concrete slab carrying Mckay Creek Road over Mckay Creek in Umatilla County, Oregon. It was built in 1982, so it is 43 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 78 vehicles a day, projected to reach 88 by 2025. The structure is 65 ft (19.8 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMckay Creek Road
CrossesMckay Creek
Location3.4 MI E of Shaw Road
RouteCounty Highway 0
StateOregon
Coordinates45.50668, -118.69631
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78 (2020)
Projected traffic88 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mckay Creek Road over Mckay Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Mckay Creek Road over Mckay 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 July 2023.

How much traffic does Mckay Creek Road over Mckay Creek carry?

About 78 vehicles per day (2020 count).

How long is Mckay Creek Road over Mckay Creek?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 28 ft wide.

Who owns Mckay Creek Road over Mckay Creek?

It is owned by the County Highway Agency.