US Bridges

Salakanum Wy over Anderson Creek

Poor

Whatcom County, Washington · 00.4 So of Goshen · Structure no. 082470000000000

Built
1954
71 years old, rebuilt 2007
Condition
Poor
inspected January 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Salakanum Wy over Anderson Creek is a concrete channel beam carrying Salakanum Wy over Anderson Creek in Whatcom County, Washington. It was built in 1954 and reconstructed in 2007, so it is 71 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 100 by 2043. The structure is 31 ft (9.4 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSalakanum Wy
CrossesAnderson Creek
Location00.4 So of Goshen
RouteCounty Highway 56050
Coordinates48.84981, -122.33968
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating30.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic100 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Salakanum Wy over Anderson Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2007.

What condition is Salakanum Wy over Anderson Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2023.

How much traffic does Salakanum Wy over Anderson Creek carry?

About 50 vehicles per day (2021 count).

How long is Salakanum Wy over Anderson Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns Salakanum Wy over Anderson Creek?

It is owned by the County Highway Agency.