US Bridges

SR 26 over Lower Crab Creek

Fair

Adams County, Washington · 0.2 E Grant CO · Structure no. 0004769A0000000

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
127 ft
6 main spans
Daily traffic
3,754
2023 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Lower Crab Creek is a concrete continuous slab carrying SR 26 over Lower Crab Creek in Adams County, Washington. It was built in 1955, so it is 70 years old, older 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 3,754 vehicles a day, roughly 21% of them trucks, projected to reach 5,123 by 2039. The structure is 127 ft (38.7 m) long and 34 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSR 26
CrossesLower Crab Creek
Location0.2 E Grant CO
RouteState Highway 26
CountyAdams County
StateWashington
Coordinates46.81889, -119.36647
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length127 ft (38.7 m)
Longest span19 ft (5.8 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,754 (2023)
Projected traffic5,123 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 26 over Lower Crab Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 26 over Lower Crab 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 February 2024.

How much traffic does SR 26 over Lower Crab Creek carry?

About 3,754 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 26 over Lower Crab Creek?

The structure is 127 ft (38.7 m) long with a longest span of 19 ft (5.8 m) and a deck 34 ft wide.

Who owns SR 26 over Lower Crab Creek?

It is owned by the State Highway Agency.