US Bridges

Haywire Road over Stearns Creek

Good

Lewis County, Washington · 2.5 W Napavine · Structure no. 084381000000000

Built
1963
62 years old
Condition
Good
inspected December 2022
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
168
2019 count
Owner
County
County Highway Agency

About this bridge

Haywire Road over Stearns Creek is a concrete slab carrying Haywire Road over Stearns Creek in Lewis 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 168 vehicles a day, roughly 16% of them trucks, projected to reach 304 by 2039. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHaywire Road
CrossesStearns Creek
Location2.5 W Napavine
RouteCounty Highway 31013
Coordinates46.57281, -122.96632
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2019)
Projected traffic304 by 2039
Trucks16%
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$296,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Haywire Road over Stearns Creek built?

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

What condition is Haywire Road over Stearns Creek 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 December 2022.

How much traffic does Haywire Road over Stearns Creek carry?

About 168 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is Haywire Road over Stearns Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Haywire Road over Stearns Creek?

It is owned by the County Highway Agency.