US Bridges

Elwha River Road over Elwha River

Good

Clallam County, Washington · 00.86 SE JCT SR112 · Structure no. 088383000000000

Built
2009
16 years old
Condition
Good
inspected December 2022
Type
Segmental Box Girder
Concrete
Length
589 ft
3 main spans
Daily traffic
747
2017 count
Owner
County
County Highway Agency

About this bridge

Elwha River Road over Elwha River is a concrete segmental box girder carrying Elwha River Road over Elwha River in Clallam County, Washington. It was built in 2009, so it is 16 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 747 vehicles a day, roughly 10% of them trucks, projected to reach 1,307 by 2037. The structure is 589 ft (179.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesElwha River Road
CrossesElwha River
Location00.86 SE JCT SR112
RouteCounty Highway 30000
Coordinates48.19298, -123.92493
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSegmental Box Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length589 ft (179.5 m)
Longest span255 ft (77.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic747 (2017)
Projected traffic1,307 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$21.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elwha River Road over Elwha River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Elwha River Road 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 December 2022.

How much traffic does Elwha River Road over Elwha River carry?

About 747 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Elwha River Road over Elwha River?

The structure is 589 ft (179.5 m) long with a longest span of 255 ft (77.7 m) and a deck 31 ft wide.

Who owns Elwha River Road over Elwha River?

It is owned by the County Highway Agency.