US Bridges

Glenwood Road over White Salmon River

FairPosted for load

Klickitat County, Washington · 0.1 E JCT SR 141 · Structure no. 081185000000000

Built
1957
68 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Steel
Length
182 ft
1 main span
Daily traffic
278
2023 count
Owner
County
County Highway Agency

About this bridge

Glenwood Road over White Salmon River is a steel arch - deck carrying Glenwood Road over White Salmon River in Klickitat County, Washington. It was built in 1957, so it is 68 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 278 vehicles a day, roughly 44% of them trucks, projected to reach 346 by 2045. The structure is 182 ft (55.5 m) long and 28 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesGlenwood Road
CrossesWhite Salmon River
Location0.1 E JCT SR 141
RouteCounty Highway 16000
CountyKlickitat County
StateWashington
Coordinates45.85022, -121.50861
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations on dry land well above flood water elevations
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length182 ft (55.5 m)
Longest span120 ft (36.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic278 (2023)
Projected traffic346 by 2045
Trucks44%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Glenwood Road over White Salmon River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Glenwood Road over White Salmon 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 September 2024.

How much traffic does Glenwood Road over White Salmon River carry?

About 278 vehicles per day (2023 count), of which roughly 44% are trucks.

How long is Glenwood Road over White Salmon River?

The structure is 182 ft (55.5 m) long with a longest span of 120 ft (36.6 m) and a deck 28 ft wide.

Who owns Glenwood Road over White Salmon River?

It is owned by the County Highway Agency.