US Bridges

Mansfield North RD over Foster Creek Drainage

PoorPosted for load

Douglas County, Washington · 1.11 SE JCT Bdgprt Hill R · Structure no. 083099000000000

Built
1961
64 years old, rebuilt 1994
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

Mansfield North RD over Foster Creek Drainage is a steel stringer/multi-beam or girder carrying Mansfield North RD over Foster Creek Drainage in Douglas County, Washington. It was built in 1961 and reconstructed in 1994, so it is 64 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 55 vehicles a day, roughly 15% of them trucks, projected to reach 57 by 2040. The structure is 24 ft (7.3 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesMansfield North RD
CrossesFoster Creek Drainage
Location1.11 SE JCT Bdgprt Hill R
RouteCounty Highway 7795
Coordinates47.91666, -119.66352
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2019)
Projected traffic57 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mansfield North RD over Foster Creek Drainage built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.

What condition is Mansfield North RD over Foster Creek Drainage in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Mansfield North RD over Foster Creek Drainage carry?

About 55 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Mansfield North RD over Foster Creek Drainage?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.2 m) and a deck 24 ft wide.

Who owns Mansfield North RD over Foster Creek Drainage?

It is owned by the County Highway Agency.