US Bridges

SR 4 over Hull Creek

Poor

Wahkiakum County, Washington · 12.6 E JCT SR 401 · Structure no. 0001891A0000000

Built
1934
91 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
78 ft
4 main spans
Daily traffic
1,152
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Hull Creek is a wood or timber stringer/multi-beam or girder carrying SR 4 over Hull Creek in Wahkiakum County, Washington. It was built in 1934, so it is 91 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,152 vehicles a day, roughly 11% of them trucks, projected to reach 1,452 by 2039. The structure is 78 ft (23.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 4
CrossesHull Creek
Location12.6 E JCT SR 401
RouteState Highway 4
CountyWahkiakum County
StateWashington
Coordinates46.35618, -123.60517
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating39 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadH 15
Structure length78 ft (23.8 m)
Longest span19 ft (5.8 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,152 (2023)
Projected traffic1,452 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4 over Hull Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 4 over Hull Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does SR 4 over Hull Creek carry?

About 1,152 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 4 over Hull Creek?

The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns SR 4 over Hull Creek?

It is owned by the State Highway Agency.