US Bridges

Lyons Ferry RD over Fields Gulch

PoorPosted for load

Walla Walla County, Washington · 22.449 N SR 124 · Structure no. 079897000000000

Built
1973
52 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
40 ft
1 main span
Daily traffic
160
2024 count
Owner
County
County Highway Agency

About this bridge

Lyons Ferry RD over Fields Gulch is a concrete stringer/multi-beam or girder carrying Lyons Ferry RD over Fields Gulch in Walla Walla County, Washington. It was built in 1973, so it is 52 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 160 vehicles a day, roughly 40% of them trucks, projected to reach 176 by 2046. The structure is 40 ft (12.1 m) long and 33 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesLyons Ferry RD
CrossesFields Gulch
Location22.449 N SR 124
RouteCounty Highway 49710
Coordinates46.545, -118.265
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating8.3 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span38 ft (11.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2024)
Projected traffic176 by 2046
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lyons Ferry RD over Fields Gulch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Lyons Ferry RD over Fields Gulch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Lyons Ferry RD over Fields Gulch carry?

About 160 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is Lyons Ferry RD over Fields Gulch?

The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.6 m) and a deck 33 ft wide.

Who owns Lyons Ferry RD over Fields Gulch?

It is owned by the County Highway Agency.