US Bridges

SR 20 over Goodell Creek

Fair

Whatcom County, Washington · 3.2 E Skagit CO · Structure no. 0009432A0000000

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
254 ft
4 main spans
Daily traffic
1,696
2023 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Goodell Creek is a concrete continuous box beam or girders - multiple carrying SR 20 over Goodell Creek in Whatcom County, Washington. It was built in 1972, so it is 53 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 1,696 vehicles a day, roughly 7% of them trucks, projected to reach 2,442 by 2039. The structure is 254 ft (77.4 m) long and 49 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 20
CrossesGoodell Creek
Location3.2 E Skagit CO
RouteState Highway 20
CountyWhatcom County
StateWashington
Coordinates48.67383, -121.26544
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating70 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length254 ft (77.4 m)
Longest span105 ft (31.9 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,696 (2023)
Projected traffic2,442 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Goodell Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 20 over Goodell 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 June 2024.

How much traffic does SR 20 over Goodell Creek carry?

About 1,696 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 20 over Goodell Creek?

The structure is 254 ft (77.4 m) long with a longest span of 105 ft (31.9 m) and a deck 49 ft wide.

Who owns SR 20 over Goodell Creek?

It is owned by the State Highway Agency.