US Bridges

SR 124 over Whetstone CR

Good

Walla Walla County, Washington · 0.6 E JCT SR 125 · Structure no. 0014637A0000000

Built
1995
30 years old
Condition
Good
inspected March 2022
Type
Slab
Concrete
Length
76 ft
3 main spans
Daily traffic
1,621
2023 count
Owner
State
State Highway Agency

About this bridge

SR 124 over Whetstone CR is a concrete slab carrying SR 124 over Whetstone CR in Walla Walla County, Washington. It was built in 1995, so it is 30 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 1,621 vehicles a day, roughly 20% of them trucks, projected to reach 1,814 by 2039. The structure is 76 ft (23.2 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 124
CrossesWhetstone CR
Location0.6 E JCT SR 125
RouteState Highway 124
CountyWalla Walla County
StateWashington
Coordinates46.29895, -118.3286
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 inspectionMarch 2022
Inspection intervalevery 48 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 rating66 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,621 (2023)
Projected traffic1,814 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 124 over Whetstone CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 124 over Whetstone CR 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 March 2022.

How much traffic does SR 124 over Whetstone CR carry?

About 1,621 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 124 over Whetstone CR?

The structure is 76 ft (23.2 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns SR 124 over Whetstone CR?

It is owned by the State Highway Agency.