US Bridges

Spring Creek Road over Mckay Creek

Fair

Umatilla County, Oregon · 0.7 MI E of HWY 395 · Structure no. 59C015105000909

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
392
2020 count
Owner
County
County Highway Agency

About this bridge

Spring Creek Road over Mckay Creek is a prestressed concrete slab carrying Spring Creek Road over Mckay Creek in Umatilla County, Oregon. It was built in 1977, so it is 48 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 392 vehicles a day, roughly 10% of them trucks, projected to reach 412 by 2025. The structure is 71 ft (21.6 m) long and 28 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesSpring Creek Road
CrossesMckay Creek
Location0.7 MI E of HWY 395
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.55134, -118.77272
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic392 (2020)
Projected traffic412 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Spring Creek Road over Mckay Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Spring 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 Spring Creek Road over Mckay Creek carry?

About 392 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Spring Creek Road over Mckay Creek?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Spring Creek Road over Mckay Creek?

It is owned by the County Highway Agency.