US Bridges

East Hoquiam Ext over Creek (unnamed)

Good

Grays Harbor County, Washington · 10.0 N Hoquiam · Structure no. 082023000000000

Built
1982
43 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
81 ft
3 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

East Hoquiam Ext over Creek (unnamed) is a prestressed concrete slab carrying East Hoquiam Ext over Creek (unnamed) in Grays Harbor County, Washington. It was built in 1982, so it is 43 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.

It carries about 450 vehicles a day, roughly 50% of them trucks, projected to reach 550 by 2044. The structure is 81 ft (24.8 m) long and 28 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesEast Hoquiam Ext
CrossesCreek (unnamed)
Location10.0 N Hoquiam
RouteCounty Highway 94451
Coordinates47.12667, -123.81069
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span31 ft (9.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic550 by 2044
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$3.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Hoquiam Ext over Creek (unnamed) built?

It was built in 1982, making it 43 years old in 2025.

What condition is East Hoquiam Ext over Creek (unnamed) 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 November 2024.

How much traffic does East Hoquiam Ext over Creek (unnamed) carry?

About 450 vehicles per day (2022 count), of which roughly 50% are trucks.

How long is East Hoquiam Ext over Creek (unnamed)?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.5 m) and a deck 28 ft wide.

Who owns East Hoquiam Ext over Creek (unnamed)?

It is owned by the County Highway Agency.