US Bridges

Barney RD over Mud Creek

Good

Walla Walla County, Washington · 1.3 W of Lowden RD · Structure no. 088939000000000

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
90
2021 count
Owner
County
County Highway Agency

About this bridge

Barney RD over Mud Creek is a aluminum, wrought iron, or cast iron culvert carrying Barney RD over Mud Creek in Walla Walla County, Washington. It was built in 2017, so it is 8 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 90 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBarney RD
CrossesMud Creek
Location1.3 W of Lowden RD
RouteCounty Highway 33990
Coordinates46.04219, -118.61483
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2021)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Barney RD over Mud Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Barney RD over Mud Creek 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 Barney RD over Mud Creek carry?

About 90 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Barney RD over Mud Creek?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m).

Who owns Barney RD over Mud Creek?

It is owned by the County Highway Agency.