US Bridges

0.5 SW Road over Priest Rapids Lateral

Good

Grant County, Washington · Nr Mattawa Wa · Structure no. 11PECL045

Built
1983
42 years old
Condition
Good
inspected February 2024
Type
Other
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
20
2024 count
Owner
Federal
Bureau of Reclamation

About this bridge

0.5 SW Road over Priest Rapids Lateral is a prestressed concrete other carrying 0.5 SW Road over Priest Rapids Lateral in Grant County, Washington. It was built in 1983, so it is 42 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 38 ft (11.6 m) long and 16 ft wide.

Carries0.5 SW Road
CrossesPriest Rapids Lateral
LocationNr Mattawa Wa
Coordinates46.75436, -119.82027
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic20 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 0.5 SW Road over Priest Rapids Lateral built?

It was built in 1983, making it 42 years old in 2025.

What condition is 0.5 SW Road over Priest Rapids Lateral 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 February 2024.

How much traffic does 0.5 SW Road over Priest Rapids Lateral carry?

About 20 vehicles per day (2024 count).

How long is 0.5 SW Road over Priest Rapids Lateral?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 16 ft wide.

Who owns 0.5 SW Road over Priest Rapids Lateral?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.