US Bridges

SR 14 over Dead Canyon

Fair

Benton County, Washington · 4.8 E Klickitat CO · Structure no. 000000OE0000000

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
169 ft
3 main spans
Daily traffic
1,236
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Dead Canyon is a prestressed concrete stringer/multi-beam or girder carrying SR 14 over Dead Canyon in Benton County, Washington. It was built in 1965, so it is 60 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.

It carries about 1,236 vehicles a day, roughly 48% of them trucks, projected to reach 1,811 by 2039. The structure is 169 ft (51.5 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 14
CrossesDead Canyon
Location4.8 E Klickitat CO
RouteState Highway 14
CountyBenton County
StateWashington
Coordinates45.86961, -119.82464
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating75 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span61 ft (18.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,236 (2023)
Projected traffic1,811 by 2039
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 14 over Dead Canyon built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 14 over Dead Canyon 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 May 2024.

How much traffic does SR 14 over Dead Canyon carry?

About 1,236 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is SR 14 over Dead Canyon?

The structure is 169 ft (51.5 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.

Who owns SR 14 over Dead Canyon?

It is owned by the State Highway Agency.