US Bridges

Lagergren-Sunshine over South Nemah River

FairPosted for load

Pacific County, Washington · 5.7 NW JCT 4 & 101 · Structure no. 083617000000000

Built
1959
66 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
89 ft
5 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Lagergren-Sunshine over South Nemah River is a wood or timber stringer/multi-beam or girder carrying Lagergren-Sunshine over South Nemah River in Pacific County, Washington. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 89 ft (27.1 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesLagergren-Sunshine
CrossesSouth Nemah River
Location5.7 NW JCT 4 & 101
RouteCounty Highway 40120
CountyPacific County
StateWashington
Coordinates46.49367, -123.902
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span20 ft (6.1 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$3.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lagergren-Sunshine over South Nemah River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Lagergren-Sunshine over South Nemah River 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 June 2024.

How much traffic does Lagergren-Sunshine over South Nemah River carry?

About 50 vehicles per day (2023 count).

How long is Lagergren-Sunshine over South Nemah River?

The structure is 89 ft (27.1 m) long with a longest span of 20 ft (6.1 m) and a deck 19 ft wide.

Who owns Lagergren-Sunshine over South Nemah River?

It is owned by the County Highway Agency.