US Bridges

6th Street over Pataha Crk

Good

Garfield County, Washington · .10 S US12 · Structure no. 089372000000000

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th Street over Pataha Crk is a concrete slab carrying 6th Street over Pataha Crk in Garfield County, Washington. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2042. The structure is 50 ft (15.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries6th Street
CrossesPataha Crk
Location.10 S US12
RouteCity Street 60
Coordinates46.47329, -117.60324
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic180 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$808,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 6th Street over Pataha Crk built?

It was built in 2022, making it 3 years old in 2025.

What condition is 6th Street over Pataha Crk 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 October 2024.

How much traffic does 6th Street over Pataha Crk carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 6th Street over Pataha Crk?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 44 ft wide.

Who owns 6th Street over Pataha Crk?

It is owned by the City or Municipal Highway Agency.