US Bridges

FARMINGTON/1000 over Pine Creek

Good

Whitman County, Washington · 1.04 MI SW Hollingsworth · Structure no. 081105000000000

Built
1980
45 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
353
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 1980, so it is 45 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 353 vehicles a day, roughly 30% of them trucks, projected to reach 353 by 2044. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFARMINGTON/1000
CrossesPine Creek
Location1.04 MI SW Hollingsworth
RouteCounty Highway 10000
CountyWhitman County
StateWashington
Coordinates47.07868, -117.12278
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than 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 rating44.6 US tons
Inventory rating36.8 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 width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2021)
Projected traffic353 by 2044
Trucks30%
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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FARMINGTON/1000 over Pine Creek built?

It was built in 1980, making it 45 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 353 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is FARMINGTON/1000 over Pine 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 FARMINGTON/1000 over Pine Creek?

It is owned by the County Highway Agency.