US Bridges

FARMINGTON/1000 over Pine Creek

GoodPosted for load

Whitman County, Washington · 0.13 MI SW Hollingsworth · Structure no. 081280000000000

Built
1969
56 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
283
2021 count
Owner
County
County Highway Agency

About this bridge

FARMINGTON/1000 over Pine Creek is a prestressed concrete tee beam carrying FARMINGTON/1000 over Pine Creek in Whitman County, Washington. It was built in 1969, so it is 56 years old, older 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 7 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 283 vehicles a day, roughly 25% of them trucks, projected to reach 289 by 2044. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFARMINGTON/1000
CrossesPine Creek
Location0.13 MI SW Hollingsworth
RouteCounty Highway 10000
Coordinates47.07497, -117.10603
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2021)
Projected traffic289 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FARMINGTON/1000 over Pine Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FARMINGTON/1000 over Pine 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 November 2023.

How much traffic does FARMINGTON/1000 over Pine Creek carry?

About 283 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is FARMINGTON/1000 over Pine Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns FARMINGTON/1000 over Pine Creek?

It is owned by the County Highway Agency.