US Bridges

Tennessee Road over King Creek

Fair

Lewis County, Washington · 0.5 NW Winlock · Structure no. 085475000000000

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
302
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tennessee Road over King Creek is a concrete continuous slab carrying Tennessee Road over King Creek in Lewis County, Washington. It was built in 1970, so it is 55 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 302 vehicles a day, roughly 6% of them trucks, projected to reach 562 by 2036. The structure is 130 ft (39.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTennessee Road
CrossesKing Creek
Location0.5 NW Winlock
RouteCounty Highway 14550
CountyLewis County
StateWashington
Coordinates46.49806, -122.94572
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic302 (2015)
Projected traffic562 by 2036
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tennessee Road over King Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Tennessee Road over King 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 2023.

How much traffic does Tennessee Road over King Creek carry?

About 302 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is Tennessee Road over King Creek?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Tennessee Road over King Creek?

It is owned by the City or Municipal Highway Agency.