US Bridges

SR 17 over E Foster Creek

Good

Douglas County, Washington · 7.4 N JCT SR 174 · Structure no. 0003759A0000000

Built
1950
75 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
1,239
2023 count
Owner
State
State Highway Agency

About this bridge

SR 17 over E Foster Creek is a concrete continuous tee beam carrying SR 17 over E Foster Creek in Douglas County, Washington. It was built in 1950, so it is 75 years old, older 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 1,239 vehicles a day, roughly 24% of them trucks, projected to reach 1,531 by 2039. The structure is 118 ft (36 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSR 17
CrossesE Foster Creek
Location7.4 N JCT SR 174
RouteState Highway 17
CountyDouglas County
StateWashington
Coordinates47.94981, -119.53597
Functional classRural Minor Arterial

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length118 ft (36 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,239 (2023)
Projected traffic1,531 by 2039
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 17 over E Foster Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 17 over E 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 July 2024.

How much traffic does SR 17 over E Foster Creek carry?

About 1,239 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is SR 17 over E Foster Creek?

The structure is 118 ft (36 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns SR 17 over E Foster Creek?

It is owned by the State Highway Agency.