US Bridges

SR 17 over SR 26

Fair

Adams County, Washington · 13.7 N JCT SR 260 · Structure no. 0015963A0000000

Built
2001
24 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
1 main span
Daily traffic
7,264
2023 count
Owner
State
State Highway Agency

About this bridge

SR 17 over SR 26 is a prestressed concrete stringer/multi-beam or girder carrying SR 17 over SR 26 in Adams County, Washington. It was built in 2001, so it is 24 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 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 7,264 vehicles a day, roughly 23% of them trucks, projected to reach 7,958 by 2039. The structure is 143 ft (43.6 m) long and 42 ft wide.

CarriesSR 17
CrossesSR 26
Location13.7 N JCT SR 260
RouteState Highway 17
Coordinates46.81145, -119.13427
Functional classRural Principal Arterial - Other

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length143 ft (43.6 m)
Longest span138 ft (42.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,264 (2023)
Projected traffic7,958 by 2039
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 17 over SR 26 built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 17 over SR 26 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 2023.

How much traffic does SR 17 over SR 26 carry?

About 7,264 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is SR 17 over SR 26?

The structure is 143 ft (43.6 m) long with a longest span of 138 ft (42.1 m) and a deck 42 ft wide.

Who owns SR 17 over SR 26?

It is owned by the State Highway Agency.