US Bridges

Centerville HWY over Swale Creek

Fair

Klickitat County, Washington · 10.7 W JCT SR 97 · Structure no. 083440000000000

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
150 ft
5 main spans
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

Centerville HWY over Swale Creek is a concrete continuous slab carrying Centerville HWY over Swale Creek in Klickitat County, Washington. It was built in 1977, so it is 48 years old, younger 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 5 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 270 vehicles a day, roughly 12% of them trucks, projected to reach 336 by 2045. The structure is 150 ft (45.7 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCenterville HWY
CrossesSwale Creek
Location10.7 W JCT SR 97
RouteCounty Highway 22000
Coordinates45.71985, -121.00167
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span32 ft (9.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic336 by 2045
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Centerville HWY over Swale Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Centerville HWY over Swale 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 Centerville HWY over Swale Creek carry?

About 270 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Centerville HWY over Swale Creek?

The structure is 150 ft (45.7 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.

Who owns Centerville HWY over Swale Creek?

It is owned by the County Highway Agency.