US Bridges

Grays Riv. Loop RD over Hull Creek

Fair

Wahkiakum County, Washington · 0.2 S JCT SR 4 · Structure no. 081527000000000

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
360
2014 count
Owner
County
County Highway Agency

About this bridge

Grays Riv. Loop RD over Hull Creek is a prestressed concrete continuous slab carrying Grays Riv. Loop RD over Hull Creek in Wahkiakum County, Washington. It was built in 1973, so it is 52 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 360 vehicles a day, roughly 5% of them trucks, projected to reach 650 by 2034. The structure is 66 ft (20.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrays Riv. Loop RD
CrossesHull Creek
Location0.2 S JCT SR 4
RouteCounty Highway 91220
Coordinates46.35267, -123.60769
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2014)
Projected traffic650 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$815,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grays Riv. Loop RD over Hull Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Grays Riv. Loop RD over Hull 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 December 2024.

How much traffic does Grays Riv. Loop RD over Hull Creek carry?

About 360 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Grays Riv. Loop RD over Hull Creek?

The structure is 66 ft (20.1 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Grays Riv. Loop RD over Hull Creek?

It is owned by the County Highway Agency.