US Bridges

Hussey ST over Mill Creek

FairPosted for load

Walla Walla County, Washington · 00.87N Whitman ST · Structure no. 083490000000000

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
65 ft
1 main span
Daily traffic
530
2024 count
Owner
County
County Highway Agency

About this bridge

Hussey ST over Mill Creek is a concrete tee beam carrying Hussey ST over Mill Creek in Walla Walla County, Washington. It was built in 1976, so it is 49 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 530 vehicles a day, roughly 10% of them trucks, projected to reach 645 by 2046. The structure is 65 ft (19.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHussey ST
CrossesMill Creek
Location00.87N Whitman ST
RouteCounty Highway 25210
Coordinates46.05117, -118.39801
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2024)
Projected traffic645 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$2.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hussey ST over Mill Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Hussey ST over Mill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Hussey ST over Mill Creek carry?

About 530 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Hussey ST over Mill Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 27 ft wide.

Who owns Hussey ST over Mill Creek?

It is owned by the County Highway Agency.