US Bridges

PARVIN/5000 over Four Mile Creek

Good

Whitman County, Washington · 8.99 MI E SR 195 · Structure no. 086648000000000

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
55
2021 count
Owner
County
County Highway Agency

About this bridge

PARVIN/5000 over Four Mile Creek is a prestressed concrete tee beam carrying PARVIN/5000 over Four Mile Creek in Whitman County, Washington. It was built in 2001, so it is 24 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 55 vehicles a day, roughly 25% of them trucks, projected to reach 55 by 2044. The structure is 93 ft (28.3 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPARVIN/5000
CrossesFour Mile Creek
Location8.99 MI E SR 195
RouteCounty Highway 50000
Coordinates46.83643, -117.1854
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span92 ft (27.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2021)
Projected traffic55 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was PARVIN/5000 over Four Mile Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is PARVIN/5000 over Four Mile 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 December 2023.

How much traffic does PARVIN/5000 over Four Mile Creek carry?

About 55 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is PARVIN/5000 over Four Mile Creek?

The structure is 93 ft (28.3 m) long with a longest span of 92 ft (27.9 m) and a deck 34 ft wide.

Who owns PARVIN/5000 over Four Mile Creek?

It is owned by the County Highway Agency.