US Bridges

Barnes DR over Hill Creek

FairPosted for load

Cowlitz County, Washington · 4.10 N of I-5 Exit 32 · Structure no. 080053000000000

Built
1923
102 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Barnes DR over Hill Creek is a concrete continuous slab carrying Barnes DR over Hill Creek in Cowlitz County, Washington. It was built in 1923, so it is 102 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 6% of them trucks, projected to reach 350 by 2040. The structure is 63 ft (19.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBarnes DR
CrossesHill Creek
Location4.10 N of I-5 Exit 32
RouteCounty Highway 57490
Coordinates46.37806, -122.91444
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length63 ft (19.2 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic350 by 2040
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Barnes DR over Hill Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Barnes DR over Hill 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 September 2023.

How much traffic does Barnes DR over Hill Creek carry?

About 300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Barnes DR over Hill Creek?

The structure is 63 ft (19.2 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Barnes DR over Hill Creek?

It is owned by the County Highway Agency.