US Bridges

Beaver Creek Road over Elochoman River

Good

Wahkiakum County, Washington · 0.04 E SR 407 · Structure no. 084296000000000

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
192
2014 count
Owner
County
County Highway Agency

About this bridge

Beaver Creek Road over Elochoman River is a prestressed concrete stringer/multi-beam or girder carrying Beaver Creek Road over Elochoman River in Wahkiakum County, Washington. It was built in 1963, so it is 62 years old, older 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 192 vehicles a day, roughly 5% of them trucks, projected to reach 346 by 2034. The structure is 124 ft (37.8 m) long and 26 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesBeaver Creek Road
CrossesElochoman River
Location0.04 E SR 407
RouteCounty Highway 93220
Coordinates46.22694, -123.33
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span120 ft (36.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic192 (2014)
Projected traffic346 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Beaver Creek Road over Elochoman River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Beaver Creek Road over Elochoman 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 November 2024.

How much traffic does Beaver Creek Road over Elochoman River carry?

About 192 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Beaver Creek Road over Elochoman River?

The structure is 124 ft (37.8 m) long with a longest span of 120 ft (36.6 m) and a deck 26 ft wide.

Who owns Beaver Creek Road over Elochoman River?

It is owned by the County Highway Agency.