US Bridges

SR 14 over Rock Creek

Fair

Klickitat County, Washington · 19.6 E JCT US 97 · Structure no. 0006790A0000000

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
118 ft
1 main span
Daily traffic
1,062
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Rock Creek is a concrete box beam or girders - multiple carrying SR 14 over Rock Creek in Klickitat County, Washington. It was built in 1962, so it is 63 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 1,062 vehicles a day, roughly 50% of them trucks, projected to reach 1,466 by 2039. The structure is 118 ft (36 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 14
CrossesRock Creek
Location19.6 E JCT US 97
RouteState Highway 14
CountyKlickitat County
StateWashington
Coordinates45.70318, -120.46149
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 rating99 US tons
Inventory rating89.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length118 ft (36 m)
Longest span113 ft (34.4 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,062 (2023)
Projected traffic1,466 by 2039
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 14 over Rock Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR 14 over Rock Creek 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 July 2023.

How much traffic does SR 14 over Rock Creek carry?

About 1,062 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is SR 14 over Rock Creek?

The structure is 118 ft (36 m) long with a longest span of 113 ft (34.4 m) and a deck 36 ft wide.

Who owns SR 14 over Rock Creek?

It is owned by the State Highway Agency.