US Bridges

23 Road NE over Crab Creek

GoodPosted for load

Grant County, Washington · 01.6 E SR 28 · Structure no. 079852000000000

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
467
2020 count
Owner
County
County Highway Agency

About this bridge

23 Road NE over Crab Creek is a prestressed concrete tee beam carrying 23 Road NE over Crab Creek in Grant County, Washington. It was built in 1990, so it is 35 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 467 vehicles a day, roughly 16% of them trucks, projected to reach 779 by 2042. The structure is 112 ft (34.1 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Carries23 Road NE
CrossesCrab Creek
Location01.6 E SR 28
RouteCounty Highway 95037
Coordinates47.42275, -119.13106
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span37 ft (11.3 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic467 (2020)
Projected traffic779 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 23 Road NE over Crab Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 23 Road NE over Crab Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does 23 Road NE over Crab Creek carry?

About 467 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is 23 Road NE over Crab Creek?

The structure is 112 ft (34.1 m) long with a longest span of 37 ft (11.3 m) and a deck 34 ft wide.

Who owns 23 Road NE over Crab Creek?

It is owned by the County Highway Agency.