US Bridges

Hemlick Road over Red Creek

Fair

Skagit County, Washington · 1.1 N JCT SR 20 · Structure no. 088012000000000

Built
2007
18 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
1 main span
Daily traffic
642
2021 count
Owner
County
County Highway Agency

About this bridge

Hemlick Road over Red Creek is a prestressed concrete stringer/multi-beam or girder carrying Hemlick Road over Red Creek in Skagit County, Washington. It was built in 2007, so it is 18 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 642 vehicles a day, roughly 8% of them trucks, projected to reach 1,160 by 2041. The structure is 150 ft (45.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHemlick Road
CrossesRed Creek
Location1.1 N JCT SR 20
RouteCounty Highway 95510
Coordinates48.53775, -122.18658
Functional classUrban 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 inspectionJuly 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span147 ft (44.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic642 (2021)
Projected traffic1,160 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hemlick Road over Red Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Hemlick Road over Red 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 July 2023.

How much traffic does Hemlick Road over Red Creek carry?

About 642 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Hemlick Road over Red Creek?

The structure is 150 ft (45.7 m) long with a longest span of 147 ft (44.7 m) and a deck 39 ft wide.

Who owns Hemlick Road over Red Creek?

It is owned by the County Highway Agency.