US Bridges

South Skagit HWY over Finney Creek

Good

Skagit County, Washington · 19.0 E JCT SR 9 · Structure no. 081657000000000

Built
1954
71 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
3 main spans
Daily traffic
635
2021 count
Owner
County
County Highway Agency

About this bridge

South Skagit HWY over Finney Creek is a steel stringer/multi-beam or girder carrying South Skagit HWY over Finney Creek in Skagit County, Washington. It was built in 1954, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 635 vehicles a day, roughly 12% of them trucks, projected to reach 944 by 2041. The structure is 122 ft (37.2 m) long and 28 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSouth Skagit HWY
CrossesFinney Creek
Location19.0 E JCT SR 9
RouteCounty Highway 7000
Coordinates48.52156, -121.84009
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic635 (2021)
Projected traffic944 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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$4.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Skagit HWY over Finney Creek built?

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

What condition is South Skagit HWY over Finney Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does South Skagit HWY over Finney Creek carry?

About 635 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is South Skagit HWY over Finney Creek?

The structure is 122 ft (37.2 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns South Skagit HWY over Finney Creek?

It is owned by the County Highway Agency.