US Bridges

Road over Touchet River

Good

Columbia County, Washington · No Data Entered · Structure no. 061406000003073

Built
2005
20 years old
Condition
Good
inspected August 2022
Type
Slab
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
60
1989 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Touchet River is a prestressed concrete slab carrying Road over Touchet River in Columbia County, Washington. It was built in 2005, so it is 20 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 60 vehicles a day, projected to reach 90 by 2045. The structure is 66 ft (20.1 m) long and 28 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesTouchet River
LocationNo Data Entered
RouteFederal Lands Road 64000
Coordinates46.11821, -117.82257
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 protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length66 ft (20.1 m)
Longest span65 ft (19.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1989)
Projected traffic90 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Touchet River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Road over Touchet River 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 August 2022.

How much traffic does Road over Touchet River carry?

About 60 vehicles per day (1989 count).

How long is Road over Touchet River?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.

Who owns Road over Touchet River?

It is owned by the U.S. Forest Service.