US Bridges

SR 26 over UP RR

Poor

Adams County, Washington · 8.6 E JCT SR 261 · Structure no. 0009837A0000000

Built
1975
50 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
1 main span
Daily traffic
1,646
2023 count
Owner
State
State Highway Agency

About this bridge

SR 26 over UP RR is a prestressed concrete stringer/multi-beam or girder carrying SR 26 over UP RR in Adams County, Washington. It was built in 1975, so it is 50 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 1,646 vehicles a day, roughly 21% of them trucks, projected to reach 2,046 by 2039. The structure is 137 ft (41.8 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 26
CrossesUP RR
Location8.6 E JCT SR 261
RouteState Highway 26
CountyAdams County
StateWashington
Coordinates46.77008, -118.14602
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length137 ft (41.8 m)
Longest span131 ft (39.9 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,646 (2023)
Projected traffic2,046 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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$2.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 26 over UP RR built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 26 over UP RR 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 March 2023.

How much traffic does SR 26 over UP RR carry?

About 1,646 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 26 over UP RR?

The structure is 137 ft (41.8 m) long with a longest span of 131 ft (39.9 m) and a deck 41 ft wide.

Who owns SR 26 over UP RR?

It is owned by the State Highway Agency.