US Bridges

Haywire Road over Stearns Creek

Fair

Lewis County, Washington · 2.5 West Napavine · Structure no. 087131000000000

Built
1940
85 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
238
2020 count
Owner
County
County Highway Agency

About this bridge

Haywire Road over Stearns Creek is a concrete continuous slab carrying Haywire Road over Stearns Creek in Lewis County, Washington. It was built in 1940, so it is 85 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 238 vehicles a day, roughly 20% of them trucks, projected to reach 430 by 2040. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHaywire Road
CrossesStearns Creek
Location2.5 West Napavine
RouteCounty Highway 31013
Coordinates46.5764, -122.96107
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic238 (2020)
Projected traffic430 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$251,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Haywire Road over Stearns Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Haywire Road over Stearns Creek 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 Haywire Road over Stearns Creek carry?

About 238 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Haywire Road over Stearns Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Haywire Road over Stearns Creek?

It is owned by the County Highway Agency.