US Bridges

Smith RD E over Anderson Creek

Fair

Whatcom County, Washington · 0.2 W of Sand Road · Structure no. 087392000000000

Built
2005
20 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
4,147
2024 count
Owner
County
County Highway Agency

About this bridge

Smith RD E over Anderson Creek is a prestressed concrete slab carrying Smith RD E over Anderson Creek in Whatcom County, Washington. It was built in 2005, so it is 20 years old, younger 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 4,147 vehicles a day, roughly 3% of them trucks, projected to reach 5,000 by 2046. The structure is 53 ft (16.2 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSmith RD E
CrossesAnderson Creek
Location0.2 W of Sand Road
RouteCounty Highway 55080
Coordinates48.83258, -122.33831
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 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 rating86.8 US tons
Inventory rating67.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span46 ft (14 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,147 (2024)
Projected traffic5,000 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith RD E over Anderson Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Smith RD E over Anderson 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 November 2024.

How much traffic does Smith RD E over Anderson Creek carry?

About 4,147 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Smith RD E over Anderson Creek?

The structure is 53 ft (16.2 m) long with a longest span of 46 ft (14 m) and a deck 40 ft wide.

Who owns Smith RD E over Anderson Creek?

It is owned by the County Highway Agency.