US Bridges

MCINTOSH/5270 over Rose Creek

Good

Whitman County, Washington · 1.01 MI SW Parvin · Structure no. 086574000000000

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
34
2020 count
Owner
County
County Highway Agency

About this bridge

MCINTOSH/5270 over Rose Creek is a prestressed concrete slab carrying MCINTOSH/5270 over Rose Creek in Whitman County, Washington. It was built in 2000, so it is 25 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 34 vehicles a day, roughly 25% of them trucks, projected to reach 35 by 2039. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMCINTOSH/5270
CrossesRose Creek
Location1.01 MI SW Parvin
RouteCounty Highway 52700
Coordinates46.8305, -117.2205
Functional classRural Local

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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating37.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2020)
Projected traffic35 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was MCINTOSH/5270 over Rose Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is MCINTOSH/5270 over Rose 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 2024.

How much traffic does MCINTOSH/5270 over Rose Creek carry?

About 34 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is MCINTOSH/5270 over Rose Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns MCINTOSH/5270 over Rose Creek?

It is owned by the County Highway Agency.