US Bridges

Smith Creek RD over Smith Creek

Good

Pacific County, Washington · 4.9 N JCT 101 & 105 · Structure no. 086075000000000

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Channel Beam
Prestressed Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
86
2023 count
Owner
County
County Highway Agency

About this bridge

Smith Creek RD over Smith Creek is a prestressed concrete continuous channel beam carrying Smith Creek RD over Smith Creek in Pacific County, Washington. It was built in 1993, so it is 32 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 86 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2043. The structure is 135 ft (41.1 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSmith Creek RD
CrossesSmith Creek
Location4.9 N JCT 101 & 105
RouteCounty Highway 60440
Coordinates46.74581, -123.71681
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating43 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span49 ft (14.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2023)
Projected traffic300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smith Creek RD over Smith Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Smith Creek RD over Smith Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Smith Creek RD over Smith Creek carry?

About 86 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Smith Creek RD over Smith Creek?

The structure is 135 ft (41.1 m) long with a longest span of 49 ft (14.9 m) and a deck 26 ft wide.

Who owns Smith Creek RD over Smith Creek?

It is owned by the County Highway Agency.