US Bridges

Cedar Valley Road over Bowman Creek

Fair

Klickitat County, Washington · 7.1 N JCT CR 26600 · Structure no. 083817000000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

Cedar Valley Road over Bowman Creek is a prestressed concrete channel beam carrying Cedar Valley Road over Bowman Creek in Klickitat County, Washington. It was built in 1987, so it is 38 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 5 vehicles a day, roughly 40% of them trucks, projected to reach 6 by 2045. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCedar Valley Road
CrossesBowman Creek
Location7.1 N JCT CR 26600
RouteCounty Highway 25780
Coordinates45.98278, -120.92667
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating32.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic6 by 2045
Trucks40%
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$345,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cedar Valley Road over Bowman Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Cedar Valley Road over Bowman 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 2024.

How much traffic does Cedar Valley Road over Bowman Creek carry?

About 5 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is Cedar Valley Road over Bowman Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Cedar Valley Road over Bowman Creek?

It is owned by the County Highway Agency.