US Bridges

Elk Creek Rd. over Elk Creek

Fair

Lewis County, Washington · 0.85 W 27092 · Structure no. 081091000000000

Built
1951
74 years old
Condition
Fair
inspected December 2022
Type
Tee Beam
Concrete
Length
162 ft
1 main span
Daily traffic
325
2022 count
Owner
County
County Highway Agency

About this bridge

Elk Creek Rd. over Elk Creek is a concrete tee beam carrying Elk Creek Rd. over Elk Creek in Lewis County, Washington. It was built in 1951, so it is 74 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 325 vehicles a day, roughly 28% of them trucks, projected to reach 586 by 2042. The structure is 162 ft (49.4 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesElk Creek Rd.
CrossesElk Creek
Location0.85 W 27092
RouteCounty Highway 27071
Coordinates46.63455, -123.29679
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span60 ft (18.3 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2022)
Projected traffic586 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 relocation of road
Estimated improvement cost$6.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elk Creek Rd. over Elk Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Elk Creek Rd. over Elk 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 December 2022.

How much traffic does Elk Creek Rd. over Elk Creek carry?

About 325 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is Elk Creek Rd. over Elk Creek?

The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.

Who owns Elk Creek Rd. over Elk Creek?

It is owned by the County Highway Agency.