US Bridges

Peppers Bridge RD over Walla Walla River

Good

Walla Walla County, Washington · 00.12N Stateline RD · Structure no. 086078000000000

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
1,260
2024 count
Owner
County
County Highway Agency

About this bridge

Peppers Bridge RD over Walla Walla River is a prestressed concrete tee beam carrying Peppers Bridge RD over Walla Walla River in Walla Walla County, Washington. It was built in 1994, so it is 31 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,260 vehicles a day, roughly 16% of them trucks, projected to reach 2,270 by 2046. The structure is 135 ft (41.1 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPeppers Bridge RD
CrossesWalla Walla River
Location00.12N Stateline RD
RouteCounty Highway 50130
Coordinates46.00269, -118.38333
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span129 ft (39.3 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,260 (2024)
Projected traffic2,270 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$5.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Peppers Bridge RD over Walla Walla River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Peppers Bridge RD over Walla Walla River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Peppers Bridge RD over Walla Walla River carry?

About 1,260 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Peppers Bridge RD over Walla Walla River?

The structure is 135 ft (41.1 m) long with a longest span of 129 ft (39.3 m) and a deck 37 ft wide.

Who owns Peppers Bridge RD over Walla Walla River?

It is owned by the County Highway Agency.