US Bridges

Deep Creek Road over Deep Creek

Fair

Lewis County, Washington · 3.18 N JCT 24034 · Structure no. 081601000000000

Built
1978
47 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
66
2022 count
Owner
County
County Highway Agency

About this bridge

Deep Creek Road over Deep Creek is a prestressed concrete stringer/multi-beam or girder carrying Deep Creek Road over Deep Creek in Lewis County, Washington. It was built in 1978, so it is 47 years old, younger 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 66 vehicles a day, roughly 21% of them trucks, projected to reach 120 by 2042. The structure is 53 ft (16.2 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesDeep Creek Road
CrossesDeep Creek
Location3.18 N JCT 24034
RouteCounty Highway 24024
Coordinates46.69232, -123.1194
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2022)
Projected traffic120 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$705,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Deep Creek Road over Deep Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Deep Creek Road over Deep 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 Deep Creek Road over Deep Creek carry?

About 66 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Deep Creek Road over Deep Creek?

The structure is 53 ft (16.2 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns Deep Creek Road over Deep Creek?

It is owned by the County Highway Agency.