US Bridges

Pearl Hill Rd. over Foster Creek

Good

Douglas County, Washington · 0.25E Jct. 17 173 · Structure no. 088839000000000

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
1 main span
Daily traffic
352
2020 count
Owner
County
County Highway Agency

About this bridge

Pearl Hill Rd. over Foster Creek is a prestressed concrete stringer/multi-beam or girder carrying Pearl Hill Rd. over Foster Creek in Douglas County, Washington. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 352 vehicles a day, roughly 26% of them trucks, projected to reach 390 by 2040. The structure is 240 ft (73.2 m) long and 32 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesPearl Hill Rd.
CrossesFoster Creek
Location0.25E Jct. 17 173
RouteCounty Highway 82130
CountyDouglas County
StateWashington
Coordinates47.99404, -119.64701
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length240 ft (73.2 m)
Longest span236 ft (71.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic352 (2020)
Projected traffic390 by 2040
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pearl Hill Rd. over Foster Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Pearl Hill Rd. over Foster 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 April 2023.

How much traffic does Pearl Hill Rd. over Foster Creek carry?

About 352 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is Pearl Hill Rd. over Foster Creek?

The structure is 240 ft (73.2 m) long with a longest span of 236 ft (71.9 m) and a deck 32 ft wide.

Who owns Pearl Hill Rd. over Foster Creek?

It is owned by the County Highway Agency.