US Bridges

Brown Road West over Stearns Creek

Fair

Lewis County, Washington · 3.1 SE Adna · Structure no. 083191000000000

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
30 ft
1 main span
Daily traffic
235
2021 count
Owner
County
County Highway Agency

About this bridge

Brown Road West over Stearns Creek is a concrete stringer/multi-beam or girder carrying Brown Road West over Stearns Creek in Lewis 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 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 235 vehicles a day, roughly 33% of them trucks, projected to reach 425 by 2041. The structure is 30 ft (9 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBrown Road West
CrossesStearns Creek
Location3.1 SE Adna
RouteCounty Highway 22601
CountyLewis County
StateWashington
Coordinates46.59073, -122.99591
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9 m)
Longest span25 ft (7.5 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic235 (2021)
Projected traffic425 by 2041
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brown Road West over Stearns Creek built?

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

What condition is Brown Road West over Stearns 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 February 2024.

How much traffic does Brown Road West over Stearns Creek carry?

About 235 vehicles per day (2021 count), of which roughly 33% are trucks.

How long is Brown Road West over Stearns Creek?

The structure is 30 ft (9 m) long with a longest span of 25 ft (7.5 m) and a deck 22 ft wide.

Who owns Brown Road West over Stearns Creek?

It is owned by the County Highway Agency.