US Bridges

SR 26 over Dry Wash

Poor

Adams County, Washington · 4.3 E JCT US 395 · Structure no. 0006422A0000000

Built
1960
65 years old
Condition
Poor
inspected February 2023
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
1,293
2023 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Dry Wash is a concrete continuous slab carrying SR 26 over Dry Wash in Adams County, Washington. It was built in 1960, so it is 65 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 1,293 vehicles a day, roughly 14% of them trucks, projected to reach 1,703 by 2039. The structure is 114 ft (34.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 26
CrossesDry Wash
Location4.3 E JCT US 395
RouteState Highway 26
CountyAdams County
StateWashington
Coordinates46.79445, -118.6576
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,293 (2023)
Projected traffic1,703 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 26 over Dry Wash built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 26 over Dry Wash 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 2023.

How much traffic does SR 26 over Dry Wash carry?

About 1,293 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 26 over Dry Wash?

The structure is 114 ft (34.7 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns SR 26 over Dry Wash?

It is owned by the State Highway Agency.