US Bridges

LA Center Road over East Fork Lewis River

Fair

Clark County, Washington · O.1 S City of LA Center · Structure no. 086842000000000

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
477 ft
4 main spans
Daily traffic
10,980
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

LA Center Road over East Fork Lewis River is a prestressed concrete continuous stringer/multi-beam or girder carrying LA Center Road over East Fork Lewis River in Clark County, Washington. It was built in 2001, so it is 24 years old, younger 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 6 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 10,980 vehicles a day, roughly 4% of them trucks, projected to reach 20,883 by 2039. The structure is 477 ft (145.4 m) long and 49 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesLA Center Road
CrossesEast Fork Lewis River
LocationO.1 S City of LA Center
RouteCounty Highway 94450
Coordinates45.85948, -122.67224
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating74 US tons
Inventory rating57.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length477 ft (145.4 m)
Longest span165 ft (50.3 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,980 (2017)
Projected traffic20,883 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$10.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was LA Center Road over East Fork Lewis River built?

It was built in 2001, making it 24 years old in 2025.

What condition is LA Center Road over East Fork Lewis 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 February 2024.

How much traffic does LA Center Road over East Fork Lewis River carry?

About 10,980 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is LA Center Road over East Fork Lewis River?

The structure is 477 ft (145.4 m) long with a longest span of 165 ft (50.3 m) and a deck 49 ft wide.

Who owns LA Center Road over East Fork Lewis River?

It is owned by the City or Municipal Highway Agency.