US Bridges

Guerrier Road over S Fk Newaukum River

Fair

Lewis County, Washington · 2.0 SE Forest · Structure no. 086239000000000

Built
1996
29 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
261
2022 count
Owner
County
County Highway Agency

About this bridge

Guerrier Road over S Fk Newaukum River is a concrete continuous slab carrying Guerrier Road over S Fk Newaukum River in Lewis County, Washington. It was built in 1996, so it is 29 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 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 261 vehicles a day, roughly 16% of them trucks, projected to reach 472 by 2042. The structure is 170 ft (51.8 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesGuerrier Road
CrossesS Fk Newaukum River
Location2.0 SE Forest
RouteCounty Highway 45002
CountyLewis County
StateWashington
Coordinates46.57575, -122.82436
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic261 (2022)
Projected traffic472 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Guerrier Road over S Fk Newaukum River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Guerrier Road over S Fk 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 Guerrier Road over S Fk Newaukum River carry?

About 261 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Guerrier Road over S Fk Newaukum River?

The structure is 170 ft (51.8 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns Guerrier Road over S Fk Newaukum River?

It is owned by the County Highway Agency.