US Bridges

Kirkland Road over Newaukum River

Fair

Lewis County, Washington · 2.0 SE Chehalis · Structure no. 081685000000000

Built
1973
52 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
1 main span
Daily traffic
674
2018 count
Owner
County
County Highway Agency

About this bridge

Kirkland Road over Newaukum River is a prestressed concrete stringer/multi-beam or girder carrying Kirkland Road over Newaukum River in Lewis County, Washington. It was built in 1973, so it is 52 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 674 vehicles a day, roughly 14% of them trucks, projected to reach 1,218 by 2038. The structure is 223 ft (68 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKirkland Road
CrossesNewaukum River
Location2.0 SE Chehalis
RouteCounty Highway 40017
Coordinates46.60508, -122.89918
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length223 ft (68 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic674 (2018)
Projected traffic1,218 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$3.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kirkland Road over Newaukum River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Kirkland Road over Newaukum 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 2023.

How much traffic does Kirkland Road over Newaukum River carry?

About 674 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is Kirkland Road over Newaukum River?

The structure is 223 ft (68 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns Kirkland Road over Newaukum River?

It is owned by the County Highway Agency.