US Bridges

Saunders Road over Peshastin Creek

Fair

Chelan County, Washington · 01.4N Dryden · Structure no. 082809000000000

Built
1920
105 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
110 ft
2 main spans
Daily traffic
428
2020 count
Owner
County
County Highway Agency

About this bridge

Saunders Road over Peshastin Creek is a concrete culvert carrying Saunders Road over Peshastin Creek in Chelan County, Washington. It was built in 1920, so it is 105 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.

It carries about 428 vehicles a day, roughly 14% of them trucks, projected to reach 541 by 2041. The structure is 110 ft (33.5 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSaunders Road
CrossesPeshastin Creek
Location01.4N Dryden
RouteCounty Highway 42300
CountyChelan County
StateWashington
Coordinates47.55716, -120.58244
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating70 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span55 ft (16.8 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2020)
Projected traffic541 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Saunders Road over Peshastin Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Saunders Road over Peshastin 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 October 2023.

How much traffic does Saunders Road over Peshastin Creek carry?

About 428 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Saunders Road over Peshastin Creek?

The structure is 110 ft (33.5 m) long with a longest span of 55 ft (16.8 m) and a deck 21 ft wide.

Who owns Saunders Road over Peshastin Creek?

It is owned by the County Highway Agency.