US Bridges

Raymd/Southbend RD over Skidmore Slough

Fair

Pacific County, Washington · 0.5 SE SR101 Intersection · Structure no. 088736000000000

Built
2010
15 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
218
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Raymd/Southbend RD over Skidmore Slough is a steel stringer/multi-beam or girder carrying Raymd/Southbend RD over Skidmore Slough in Pacific County, Washington. It was built in 2010, so it is 15 years old, younger 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 218 vehicles a day, projected to reach 300 by 2039. The structure is 70 ft (21.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRaymd/Southbend RD
CrossesSkidmore Slough
Location0.5 SE SR101 Intersection
RouteCity Street 43880
CountyPacific County
StateWashington
Coordinates46.66425, -123.77786
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating65 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218 (2018)
Projected traffic300 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$931,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Raymd/Southbend RD over Skidmore Slough built?

It was built in 2010, making it 15 years old in 2025.

What condition is Raymd/Southbend RD over Skidmore Slough 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 Raymd/Southbend RD over Skidmore Slough carry?

About 218 vehicles per day (2018 count).

How long is Raymd/Southbend RD over Skidmore Slough?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 27 ft wide.

Who owns Raymd/Southbend RD over Skidmore Slough?

It is owned by the City or Municipal Highway Agency.