US Bridges

US 101 over Discovery Creek

Good

Clallam County, Washington · 20.8 E JCT SR 117 · Structure no. 0019694B0000000

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
19,244
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Discovery Creek is a prestressed concrete stringer/multi-beam or girder carrying US 101 over Discovery Creek in Clallam County, Washington. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,244 vehicles a day, roughly 9% of them trucks, projected to reach 16,320 by 2034. The structure is 124 ft (37.7 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 101
CrossesDiscovery Creek
Location20.8 E JCT SR 117
RouteU.S. Route 101
Coordinates48.04684, -123.03525
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length124 ft (37.7 m)
Longest span121 ft (36.9 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,244 (2023)
Projected traffic16,320 by 2034
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Discovery Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is US 101 over Discovery 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 November 2024.

How much traffic does US 101 over Discovery Creek carry?

About 19,244 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 101 over Discovery Creek?

The structure is 124 ft (37.7 m) long with a longest span of 121 ft (36.9 m) and a deck 54 ft wide.

Who owns US 101 over Discovery Creek?

It is owned by the State Highway Agency.