US Bridges

Pleasant Hill RD over I-5

Fair

Cowlitz County, Washington · 3.3 N JCT SR 4 · Structure no. 0009597D0000000

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
319 ft
4 main spans
Daily traffic
982
2002 count
Owner
State
State Highway Agency

About this bridge

Pleasant Hill RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Pleasant Hill RD over I-5 in Cowlitz County, Washington. It was built in 1975, so it is 50 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 5 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 982 vehicles a day, roughly 1% of them trucks, projected to reach 1,583 by 2036. The structure is 319 ft (97.2 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesPleasant Hill RD
CrossesI-5
Location3.3 N JCT SR 4
RouteCounty Highway 0
CountyCowlitz County
StateWashington
Coordinates46.19194, -122.89558
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length319 ft (97.2 m)
Longest span112 ft (34.1 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic982 (2002)
Projected traffic1,583 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$8.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pleasant Hill RD over I-5 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Pleasant Hill RD over I-5 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 October 2023.

How much traffic does Pleasant Hill RD over I-5 carry?

About 982 vehicles per day (2002 count), of which roughly 1% are trucks.

How long is Pleasant Hill RD over I-5?

The structure is 319 ft (97.2 m) long with a longest span of 112 ft (34.1 m) and a deck 37 ft wide.

Who owns Pleasant Hill RD over I-5?

It is owned by the State Highway Agency.