US Bridges

Spruce Creek RD over Spruce Creek

Fair

Cowlitz County, Washington · 0.59 W Mill Crk RD (1.00) · Structure no. 080751000000000

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Spruce Creek RD over Spruce Creek is a prestressed concrete slab carrying Spruce Creek RD over Spruce Creek in Cowlitz County, Washington. It was built in 1966, so it is 59 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 135 by 2040. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSpruce Creek RD
CrossesSpruce Creek
Location0.59 W Mill Crk RD (1.00)
RouteCounty Highway 20410
CountyCowlitz County
StateWashington
Coordinates46.19417, -123.20278
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic135 by 2040
Trucks13%
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

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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Spruce Creek RD over Spruce Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Spruce Creek RD over Spruce 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 August 2023.

How much traffic does Spruce Creek RD over Spruce Creek carry?

About 100 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Spruce Creek RD over Spruce Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Spruce Creek RD over Spruce Creek?

It is owned by the County Highway Agency.