US Bridges

Holmes Isd RD over Long Lake

FairPosted for load

Thurston County, Washington · Over Long Lake · Structure no. 082954000000000

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
53 ft
3 main spans
Daily traffic
177
2021 count
Owner
County
County Highway Agency

About this bridge

Holmes Isd RD over Long Lake is a concrete channel beam carrying Holmes Isd RD over Long Lake in Thurston County, Washington. It was built in 1962, so it is 63 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 177 vehicles a day, roughly 15% of them trucks, projected to reach 284 by 2043. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesHolmes Isd RD
CrossesLong Lake
LocationOver Long Lake
RouteCounty Highway 12230
CountyThurston County
StateWashington
Coordinates47.02502, -122.7827
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length53 ft (16.2 m)
Longest span23 ft (7 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2021)
Projected traffic284 by 2043
Trucks15%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Holmes Isd RD over Long Lake built?

It was built in 1962, making it 63 years old in 2025.

What condition is Holmes Isd RD over Long Lake 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 July 2024.

How much traffic does Holmes Isd RD over Long Lake carry?

About 177 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Holmes Isd RD over Long Lake?

The structure is 53 ft (16.2 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Holmes Isd RD over Long Lake?

It is owned by the County Highway Agency.