US Bridges

Ceres Hill Road over Chehalis River

PoorPosted for load

Lewis County, Washington · 6.0 W Adna · Structure no. 083093000000000

Built
1948
77 years old
Condition
Poor
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
200 ft
3 main spans
Daily traffic
144
2021 count
Owner
County
County Highway Agency

About this bridge

Ceres Hill Road over Chehalis River is a concrete continuous box beam or girders - single or spread carrying Ceres Hill Road over Chehalis River in Lewis County, Washington. It was built in 1948, so it is 77 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 144 vehicles a day, roughly 40% of them trucks, projected to reach 260 by 2041. The structure is 200 ft (61 m) long and 17 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCeres Hill Road
CrossesChehalis River
Location6.0 W Adna
RouteCounty Highway 28001
Coordinates46.60198, -123.14464
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15 US tons
Inventory rating8.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length200 ft (61 m)
Longest span130 ft (39.6 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (2021)
Projected traffic260 by 2041
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$7.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ceres Hill Road over Chehalis River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Ceres Hill Road over Chehalis River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Ceres Hill Road over Chehalis River carry?

About 144 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Ceres Hill Road over Chehalis River?

The structure is 200 ft (61 m) long with a longest span of 130 ft (39.6 m) and a deck 17 ft wide.

Who owns Ceres Hill Road over Chehalis River?

It is owned by the County Highway Agency.