US Bridges

Sta 19+00 Access over Rocky Coulee Diversion

FairPosted for load

Grant County, Washington · Nr Moses Lake Wa · Structure no. 11ELC0009

Built
1948
77 years old
Condition
Fair
inspected November 2023
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
1
2023 count
Owner
Federal
Bureau of Reclamation

About this bridge

Sta 19+00 Access over Rocky Coulee Diversion is a steel truss - thru carrying Sta 19+00 Access over Rocky Coulee Diversion in Grant County, Washington. It was built in 1948, so it is 77 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1 vehicles a day, projected to reach 1 by 2043. The structure is 81 ft (24.6 m) long and 12 ft wide.

CarriesSta 19+00 Access
CrossesRocky Coulee Diversion
LocationNr Moses Lake Wa
Coordinates47.19804, -119.17861
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.2 US tons
Inventory rating7.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span80 ft (24.4 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2023)
Projected traffic1 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Sta 19+00 Access over Rocky Coulee Diversion built?

It was built in 1948, making it 77 years old in 2025.

What condition is Sta 19+00 Access over Rocky Coulee Diversion in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Sta 19+00 Access over Rocky Coulee Diversion carry?

About 1 vehicles per day (2023 count).

How long is Sta 19+00 Access over Rocky Coulee Diversion?

The structure is 81 ft (24.6 m) long with a longest span of 80 ft (24.4 m) and a deck 12 ft wide.

Who owns Sta 19+00 Access over Rocky Coulee Diversion?

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