US Bridges

So Skagit HWY over Parker Creek

Good

Skagit County, Washington · 7.25 E JCT SR-9 · Structure no. 086309000000000

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
1,437
2021 count
Owner
County
County Highway Agency

About this bridge

So Skagit HWY over Parker Creek is a concrete culvert carrying So Skagit HWY over Parker Creek in Skagit County, Washington. It was built in 1996, so it is 29 years old, younger 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 1,437 vehicles a day, roughly 17% of them trucks, projected to reach 2,135 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSo Skagit HWY
CrossesParker Creek
Location7.25 E JCT SR-9
RouteCounty Highway 7000
Coordinates48.48991, -122.09885
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,437 (2021)
Projected traffic2,135 by 2041
Trucks17%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was So Skagit HWY over Parker Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is So Skagit HWY over Parker 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 So Skagit HWY over Parker Creek carry?

About 1,437 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is So Skagit HWY over Parker Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m).

Who owns So Skagit HWY over Parker Creek?

It is owned by the County Highway Agency.