US Bridges

Spring Valley RD over Dry Run

GoodPosted for load

Walla Walla County, Washington · 0.013 E of SR 125 · Structure no. 087715000000000

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Spring Valley RD over Dry Run is a aluminum, wrought iron, or cast iron culvert carrying Spring Valley RD over Dry Run in Walla Walla County, Washington. It was built in 2008, so it is 17 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 34% of them trucks, projected to reach 60 by 2046. The structure is 25 ft (7.7 m) long and 38 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSpring Valley RD
CrossesDry Run
Location0.013 E of SR 125
RouteCounty Highway 65650
Coordinates46.17906, -118.38368
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span25 ft (7.7 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed14.3 mi (23 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$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Valley RD over Dry Run built?

It was built in 2008, making it 17 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 2024.

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

About 50 vehicles per day (2024 count), of which roughly 34% are trucks.

How long is Spring Valley RD over Dry Run?

The structure is 25 ft (7.7 m) long with a longest span of 25 ft (7.7 m) and a deck 38 ft wide.

Who owns Spring Valley RD over Dry Run?

It is owned by the County Highway Agency.