US Bridges

US 101 over Elwha River

Good

Clallam County, Washington · 35.6 N JCT SR 113 · Structure no. 0019891A0000000

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
502 ft
3 main spans
Daily traffic
4,276
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Elwha River is a prestressed concrete stringer/multi-beam or girder carrying US 101 over Elwha River 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. Its operating status is: new structure not yet open to traffic.

It carries about 4,276 vehicles a day, roughly 6% of them trucks, projected to reach 5,492 by 2043. The structure is 502 ft (153.1 m) long and 43 ft wide. If it were closed, the detour would be 83.9 mi (135 km).

CarriesUS 101
CrossesElwha River
Location35.6 N JCT SR 113
RouteU.S. Route 101
Coordinates48.06553, -123.57919
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
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 alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length502 ft (153.1 m)
Longest span180 ft (54.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,276 (2023)
Projected traffic5,492 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed83.9 mi (135 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 proposedReplacement because of relocation of road
Estimated improvement cost$18.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Elwha River built?

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

What condition is US 101 over Elwha River 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 September 2024.

How much traffic does US 101 over Elwha River carry?

About 4,276 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 101 over Elwha River?

The structure is 502 ft (153.1 m) long with a longest span of 180 ft (54.9 m) and a deck 43 ft wide.

Who owns US 101 over Elwha River?

It is owned by the State Highway Agency.