US Bridges

Mary Jane Hill RD over Foster Creek

FairPosted for load

Douglas County, Washington · 28.26N26E · Structure no. 079767000000000

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
90 ft
1 main span
Daily traffic
96
2021 count
Owner
County
County Highway Agency

About this bridge

Mary Jane Hill RD over Foster Creek is a prestressed concrete continuous tee beam carrying Mary Jane Hill RD over Foster Creek in Douglas County, Washington. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 96 vehicles a day, roughly 32% of them trucks, projected to reach 100 by 2041. The structure is 90 ft (27.4 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMary Jane Hill RD
CrossesFoster Creek
Location28.26N26E
RouteCounty Highway 73509
Coordinates47.94846, -119.50779
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckOther
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span89 ft (27.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2021)
Projected traffic100 by 2041
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.8 mi (19 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mary Jane Hill RD over Foster Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mary Jane Hill RD over Foster Creek 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 April 2024.

How much traffic does Mary Jane Hill RD over Foster Creek carry?

About 96 vehicles per day (2021 count), of which roughly 32% are trucks.

How long is Mary Jane Hill RD over Foster Creek?

The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27.1 m) and a deck 30 ft wide.

Who owns Mary Jane Hill RD over Foster Creek?

It is owned by the County Highway Agency.