US Bridges

PINECTY-MALDN/3000 over Cottonwood Creek

Fair

Whitman County, Washington · 2.04 MI NE SR 23 · Structure no. 084140000000000

Built
1965
60 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
430
2021 count
Owner
County
County Highway Agency

About this bridge

PINECTY-MALDN/3000 over Cottonwood Creek is a prestressed concrete tee beam carrying PINECTY-MALDN/3000 over Cottonwood Creek in Whitman County, Washington. It was built in 1965, so it is 60 years old, older 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.

It carries about 430 vehicles a day, roughly 25% of them trucks, projected to reach 430 by 2044. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesPINECTY-MALDN/3000
CrossesCottonwood Creek
Location2.04 MI NE SR 23
RouteCounty Highway 30000
Coordinates47.11767, -117.57065
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating12.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2021)
Projected traffic430 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was PINECTY-MALDN/3000 over Cottonwood Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is PINECTY-MALDN/3000 over Cottonwood 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 December 2023.

How much traffic does PINECTY-MALDN/3000 over Cottonwood Creek carry?

About 430 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is PINECTY-MALDN/3000 over Cottonwood Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 30 ft wide.

Who owns PINECTY-MALDN/3000 over Cottonwood Creek?

It is owned by the County Highway Agency.