US Bridges

Mandy Road over Foster Creek

Fair

Lewis County, Washington · 3.0 SW Toledo · Structure no. 084628000000000

Built
1953
72 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
75 ft
3 main spans
Daily traffic
142
2021 count
Owner
County
County Highway Agency

About this bridge

Mandy Road over Foster Creek is a concrete stringer/multi-beam or girder carrying Mandy Road over Foster Creek in Lewis County, Washington. It was built in 1953, so it is 72 years old, older 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.

It carries about 142 vehicles a day, roughly 50% of them trucks, projected to reach 257 by 2041. The structure is 75 ft (23 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMandy Road
CrossesFoster Creek
Location3.0 SW Toledo
RouteCounty Highway 50251
CountyLewis County
StateWashington
Coordinates46.40186, -122.91572
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length75 ft (23 m)
Longest span29 ft (8.9 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142 (2021)
Projected traffic257 by 2041
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mandy Road over Foster Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Mandy Road 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 January 2024.

How much traffic does Mandy Road over Foster Creek carry?

About 142 vehicles per day (2021 count), of which roughly 50% are trucks.

How long is Mandy Road over Foster Creek?

The structure is 75 ft (23 m) long with a longest span of 29 ft (8.9 m) and a deck 29 ft wide.

Who owns Mandy Road over Foster Creek?

It is owned by the County Highway Agency.