US Bridges

Spring Valley RD over Dry Run

Good

Walla Walla County, Washington · 4.3 N Valley Grove · Structure no. 086392000000000

Built
1998
27 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
12
2021 count
Owner
County
County Highway Agency

About this bridge

Spring Valley RD over Dry Run is a concrete slab carrying Spring Valley RD over Dry Run in Walla Walla County, Washington. It was built in 1998, so it is 27 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 12 vehicles a day, roughly 17% of them trucks, projected to reach 13 by 2043. The structure is 23 ft (6.9 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSpring Valley RD
CrossesDry Run
Location4.3 N Valley Grove
RouteCounty Highway 65650
Coordinates46.19053, -118.34614
Functional classRural Local

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length23 ft (6.9 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.3 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2021)
Projected traffic13 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Valley RD over Dry Run built?

It was built in 1998, making it 27 years old in 2025.

What condition is Spring Valley RD over Dry Run 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 2023.

How much traffic does Spring Valley RD over Dry Run carry?

About 12 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is Spring Valley RD over Dry Run?

The structure is 23 ft (6.9 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns Spring Valley RD over Dry Run?

It is owned by the County Highway Agency.