US Bridges

E Road SW over Crab Creek

Good

Grant County, Washington · E SW at Crab Creek · Structure no. 084003000000000

Built
1958
67 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
104 ft
5 main spans
Daily traffic
233
2021 count
Owner
County
County Highway Agency

About this bridge

E Road SW over Crab Creek is a concrete slab carrying E Road SW over Crab Creek in Grant County, Washington. It was built in 1958, so it is 67 years old, older 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.

It carries about 233 vehicles a day, roughly 22% of them trucks, projected to reach 275 by 2043. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesE Road SW
CrossesCrab Creek
LocationE SW at Crab Creek
RouteCounty Highway 91010
Coordinates46.84341, -119.60186
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length104 ft (31.7 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2021)
Projected traffic275 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Road SW over Crab Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is E Road SW 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 2023.

How much traffic does E Road SW over Crab Creek carry?

About 233 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is E Road SW over Crab Creek?

The structure is 104 ft (31.7 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns E Road SW over Crab Creek?

It is owned by the County Highway Agency.