US Bridges

Hadaller Road over Winston Creek

Good

Lewis County, Washington · 5.0 W Mossyrock · Structure no. 083757000000000

Built
1961
64 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
112 ft
3 main spans
Daily traffic
438
2022 count
Owner
County
County Highway Agency

About this bridge

Hadaller Road over Winston Creek is a concrete slab carrying Hadaller Road over Winston Creek in Lewis County, Washington. It was built in 1961, so it is 64 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 438 vehicles a day, roughly 21% of them trucks, projected to reach 792 by 2042. The structure is 112 ft (34.1 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHadaller Road
CrossesWinston Creek
Location5.0 W Mossyrock
RouteCounty Highway 60310
Coordinates46.4978, -122.55597
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length112 ft (34.1 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic438 (2022)
Projected traffic792 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hadaller Road over Winston Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Hadaller Road over Winston 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 January 2024.

How much traffic does Hadaller Road over Winston Creek carry?

About 438 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Hadaller Road over Winston Creek?

The structure is 112 ft (34.1 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Hadaller Road over Winston Creek?

It is owned by the County Highway Agency.