US Bridges

Middle Road over Pine Creek

FairPosted for load

Klickitat County, Washington · 1.1 S JCT CR34000 · Structure no. 082893000000000

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
37 ft
1 main span
Daily traffic
94
2021 count
Owner
County
County Highway Agency

About this bridge

Middle Road over Pine Creek is a concrete channel beam carrying Middle Road over Pine Creek in Klickitat County, Washington. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 94 vehicles a day, roughly 10% of them trucks, projected to reach 117 by 2043. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMiddle Road
CrossesPine Creek
Location1.1 S JCT CR34000
RouteCounty Highway 43000
CountyKlickitat County
StateWashington
Coordinates45.98583, -120.30667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2021)
Projected traffic117 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Middle Road over Pine Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Middle Road over Pine 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 July 2023.

How much traffic does Middle Road over Pine Creek carry?

About 94 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Middle Road over Pine Creek?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Middle Road over Pine Creek?

It is owned by the County Highway Agency.