US Bridges

PARVIN/5000 over Four Mile Creek

Good

Whitman County, Washington · 10.02 MI W SR 195 · Structure no. 086376000000000

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
52
2020 count
Owner
County
County Highway Agency

About this bridge

PARVIN/5000 over Four Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying PARVIN/5000 over Four Mile Creek in Whitman County, Washington. It was built in 1997, so it is 28 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 52 vehicles a day, roughly 25% of them trucks, projected to reach 53 by 2039. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPARVIN/5000
CrossesFour Mile Creek
Location10.02 MI W SR 195
RouteCounty Highway 50000
Coordinates46.83533, -117.16542
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.2 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52 (2020)
Projected traffic53 by 2039
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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was PARVIN/5000 over Four Mile Creek built?

It was built in 1997, making it 28 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 November 2024.

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

About 52 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is PARVIN/5000 over Four Mile Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns PARVIN/5000 over Four Mile Creek?

It is owned by the County Highway Agency.