US Bridges

Cascade River RD over Hard Creek

Good

Skagit County, Washington · 12.7 E JCT SR 20 · Structure no. 086313000000000

Built
1997
28 years old, rebuilt 2016
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
46 ft
1 main span
Daily traffic
84
2021 count
Owner
County
County Highway Agency

About this bridge

Cascade River RD over Hard Creek is a concrete slab carrying Cascade River RD over Hard Creek in Skagit County, Washington. It was built in 1997 and reconstructed in 2016, so it is 28 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 84 vehicles a day, roughly 4% of them trucks, projected to reach 102 by 2041. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCascade River RD
CrossesHard Creek
Location12.7 E JCT SR 20
RouteCounty Highway 97950
Coordinates48.48097, -121.22485
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.1 US tons
Inventory rating58.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2021)
Projected traffic102 by 2041
Trucks4%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$524,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cascade River RD over Hard Creek built?

It was built in 1997, making it 28 years old in 2025. It was reconstructed in 2016.

What condition is Cascade River RD over Hard 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 June 2024.

How much traffic does Cascade River RD over Hard Creek carry?

About 84 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Cascade River RD over Hard Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 20 ft wide.

Who owns Cascade River RD over Hard Creek?

It is owned by the County Highway Agency.