US Bridges

Old West Malaga RD over Stemilt Creek

FairPosted for load

Chelan County, Washington · 300 from Stemilt Crk RD · Structure no. 088863000000000

Built
1936
89 years old
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Concrete
Length
32 ft
1 main span
Daily traffic
2
2021 count
Owner
County
County Highway Agency

About this bridge

Old West Malaga RD over Stemilt Creek is a concrete girder and floorbeam system carrying Old West Malaga RD over Stemilt Creek in Chelan County, Washington. It was built in 1936, so it is 89 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 2 by 2041. The structure is 32 ft (9.8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld West Malaga RD
CrossesStemilt Creek
Location300 from Stemilt Crk RD
RouteCounty Highway 16360
Coordinates47.37486, -120.24953
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2021)
Projected traffic2 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old West Malaga RD over Stemilt Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Old West Malaga RD over Stemilt 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 October 2023.

How much traffic does Old West Malaga RD over Stemilt Creek carry?

About 2 vehicles per day (2021 count).

How long is Old West Malaga RD over Stemilt Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns Old West Malaga RD over Stemilt Creek?

It is owned by the County Highway Agency.