US Bridges

SR 26 over Np RY

Poor

Adams County, Washington · 5.7 E JCT SR 17 · Structure no. 0006047A0000000

Built
1959
66 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
211 ft
3 main spans
Daily traffic
2,260
2023 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Np RY is a prestressed concrete stringer/multi-beam or girder carrying SR 26 over Np RY in Adams County, Washington. It was built in 1959, so it is 66 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,260 vehicles a day, roughly 21% of them trucks, projected to reach 2,743 by 2039. The structure is 211 ft (64.2 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 26
CrossesNp RY
Location5.7 E JCT SR 17
RouteState Highway 26
CountyAdams County
StateWashington
Coordinates46.79497, -119.01672
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length211 ft (64.2 m)
Longest span69 ft (21 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,260 (2023)
Projected traffic2,743 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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$3.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 26 over Np RY built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR 26 over Np RY in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does SR 26 over Np RY carry?

About 2,260 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 26 over Np RY?

The structure is 211 ft (64.2 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns SR 26 over Np RY?

It is owned by the State Highway Agency.