US Bridges

Aladdin RD over Mill Creek

Fair

Stevens County, Washington · 02.16 N JCT SR 20 · Structure no. 084631000000000

Built
1960
65 years old, rebuilt 1991
Condition
Fair
inspected September 2024
Type
Tee Beam
Wood or Timber
Length
30 ft
1 main span
Daily traffic
1,721
2024 count
Owner
County
County Highway Agency

About this bridge

Aladdin RD over Mill Creek is a wood or timber tee beam carrying Aladdin RD over Mill Creek in Stevens County, Washington. It was built in 1960 and reconstructed in 1991, so it is 65 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 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 1,721 vehicles a day, roughly 10% of them trucks, projected to reach 2,500 by 2037. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAladdin RD
CrossesMill Creek
Location02.16 N JCT SR 20
RouteCounty Highway 94350
Coordinates48.5773, -117.87634
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,721 (2024)
Projected traffic2,500 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aladdin RD over Mill Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is Aladdin RD over Mill 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 September 2024.

How much traffic does Aladdin RD over Mill Creek carry?

About 1,721 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Aladdin RD over Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Aladdin RD over Mill Creek?

It is owned by the County Highway Agency.