US Bridges

Pettyjohn RD over Touchet River

Poor

Walla Walla County, Washington · 05.62 N SR 125 · Structure no. 079907000000000

Built
1914
111 years old
Condition
Poor
inspected September 2024
Type
Other
Concrete
Length
115 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Pettyjohn RD over Touchet River is a concrete other carrying Pettyjohn RD over Touchet River in Walla Walla County, Washington. It was built in 1914, so it is 111 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 20% of them trucks, projected to reach 125 by 2046. The structure is 115 ft (35.1 m) long and 22 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesPettyjohn RD
CrossesTouchet River
Location05.62 N SR 125
RouteCounty Highway 39590
Coordinates46.29372, -118.40822
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeOther
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length115 ft (35.1 m)
Longest span56 ft (17.1 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$4.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pettyjohn RD over Touchet River built?

It was built in 1914, making it 111 years old in 2025.

What condition is Pettyjohn RD over Touchet River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Pettyjohn RD over Touchet River carry?

About 100 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Pettyjohn RD over Touchet River?

The structure is 115 ft (35.1 m) long with a longest span of 56 ft (17.1 m) and a deck 22 ft wide.

Who owns Pettyjohn RD over Touchet River?

It is owned by the County Highway Agency.