US Bridges

East Anderson Rd. over Dungeness River

Fair

Clallam County, Washington · 04.5 N JCT SR101 · Structure no. 084896000000000

Built
1964
61 years old
Condition
Fair
inspected December 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
201 ft
1 main span
Daily traffic
958
2017 count
Owner
County
County Highway Agency

About this bridge

East Anderson Rd. over Dungeness River is a concrete continuous box beam or girders - multiple carrying East Anderson Rd. over Dungeness River in Clallam County, Washington. It was built in 1964, so it is 61 years old, older 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 5 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 958 vehicles a day, roughly 9% of them trucks, projected to reach 4,050 by 2034. The structure is 201 ft (61.3 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesEast Anderson Rd.
CrossesDungeness River
Location04.5 N JCT SR101
RouteCounty Highway 47990
Coordinates48.14356, -123.12897
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating22 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length201 ft (61.3 m)
Longest span109 ft (33.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic958 (2017)
Projected traffic4,050 by 2034
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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$7.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Anderson Rd. over Dungeness River built?

It was built in 1964, making it 61 years old in 2025.

What condition is East Anderson Rd. over Dungeness River 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 December 2022.

How much traffic does East Anderson Rd. over Dungeness River carry?

About 958 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is East Anderson Rd. over Dungeness River?

The structure is 201 ft (61.3 m) long with a longest span of 109 ft (33.2 m) and a deck 26 ft wide.

Who owns East Anderson Rd. over Dungeness River?

It is owned by the County Highway Agency.