US Bridges

Old Mountain Road over Badger Gulch

Fair

Klickitat County, Washington · 1.2 N JCT CR 34000 · Structure no. 080453000000000

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
244
2021 count
Owner
County
County Highway Agency

About this bridge

Old Mountain Road over Badger Gulch is a concrete channel beam carrying Old Mountain Road over Badger Gulch in Klickitat County, Washington. It was built in 1977, so it is 48 years old, younger 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.

It carries about 244 vehicles a day, roughly 12% of them trucks, projected to reach 304 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesOld Mountain Road
CrossesBadger Gulch
Location1.2 N JCT CR 34000
RouteCounty Highway 34750
CountyKlickitat County
StateWashington
Coordinates45.85386, -120.60872
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
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 rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic244 (2021)
Projected traffic304 by 2043
Trucks12%
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$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Mountain Road over Badger Gulch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Old Mountain Road over Badger Gulch 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 Old Mountain Road over Badger Gulch carry?

About 244 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Old Mountain Road over Badger Gulch?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Old Mountain Road over Badger Gulch?

It is owned by the County Highway Agency.