US Bridges

Independence Road over Independence Creek

Fair

Lewis County, Washington · 0.34 N JCT 91009 · Structure no. 083898000000000

Built
1956
69 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete
Length
104 ft
5 main spans
Daily traffic
273
2022 count
Owner
County
County Highway Agency

About this bridge

Independence Road over Independence Creek is a concrete slab carrying Independence Road over Independence Creek in Lewis County, Washington. It was built in 1956, so it is 69 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 5 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 273 vehicles a day, roughly 16% of them trucks, projected to reach 494 by 2042. The structure is 104 ft (31.7 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesIndependence Road
CrossesIndependence Creek
Location0.34 N JCT 91009
RouteCounty Highway 10024
Coordinates46.76381, -123.21638
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2022)
Projected traffic494 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Independence Road over Independence Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Independence Road over Independence 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 2023.

How much traffic does Independence Road over Independence Creek carry?

About 273 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Independence Road over Independence Creek?

The structure is 104 ft (31.7 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns Independence Road over Independence Creek?

It is owned by the County Highway Agency.