US Bridges

SR 124 over Touchet River

Good

Walla Walla County, Washington · 6.3 E JCT SR 125 · Structure no. 0012540A0000000

Built
1984
41 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
1 main span
Daily traffic
1,510
2023 count
Owner
State
State Highway Agency

About this bridge

SR 124 over Touchet River is a prestressed concrete stringer/multi-beam or girder carrying SR 124 over Touchet River in Walla Walla County, Washington. It was built in 1984, so it is 41 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,510 vehicles a day, roughly 21% of them trucks, projected to reach 1,705 by 2039. The structure is 136 ft (41.5 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 124
CrossesTouchet River
Location6.3 E JCT SR 125
RouteState Highway 124
Coordinates46.27428, -118.22103
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length136 ft (41.5 m)
Longest span130 ft (39.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,510 (2023)
Projected traffic1,705 by 2039
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 124 over Touchet River built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 124 over Touchet 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 February 2023.

How much traffic does SR 124 over Touchet River carry?

About 1,510 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR 124 over Touchet River?

The structure is 136 ft (41.5 m) long with a longest span of 130 ft (39.6 m) and a deck 35 ft wide.

Who owns SR 124 over Touchet River?

It is owned by the State Highway Agency.