US Bridges

Husum ST over White Salmon River

Good

Klickitat County, Washington · 0.01 W JCT SR141 · Structure no. 084012000000000

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
160
2023 count
Owner
County
County Highway Agency

About this bridge

Husum ST over White Salmon River is a prestressed concrete stringer/multi-beam or girder carrying Husum ST over White Salmon River in Klickitat County, Washington. It was built in 1993, so it is 32 years old, younger 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 160 vehicles a day, roughly 87% of them trucks, projected to reach 199 by 2045. The structure is 70 ft (21.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHusum ST
CrossesWhite Salmon River
Location0.01 W JCT SR141
RouteCounty Highway 16410
Coordinates45.7982, -121.4856
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span68 ft (20.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2023)
Projected traffic199 by 2045
Trucks87%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Husum ST over White Salmon River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Husum ST over White Salmon River 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 September 2024.

How much traffic does Husum ST over White Salmon River carry?

About 160 vehicles per day (2023 count), of which roughly 87% are trucks.

How long is Husum ST over White Salmon River?

The structure is 70 ft (21.3 m) long with a longest span of 68 ft (20.7 m) and a deck 27 ft wide.

Who owns Husum ST over White Salmon River?

It is owned by the County Highway Agency.