US Bridges

O&m Traffic over Main Outlet Drain Extens

Fair

Yuma County, Arizona · 1 Mile E/O Pacific Ave · Structure no. 0304-0009

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
20
2012 count
Owner
Federal
Bureau of Reclamation

About this bridge

O&m Traffic over Main Outlet Drain Extens is a prestressed concrete box beam or girders - multiple carrying O&m Traffic over Main Outlet Drain Extens in Yuma County, Arizona. It was built in 1966, so it is 59 years old, older than the Arizona average of 47.8 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.

It carries about 20 vehicles a day, projected to reach 50 by 2033. The structure is 37 ft (11.4 m) long and 17 ft wide.

CarriesO&m Traffic
CrossesMain Outlet Drain Extens
Location1 Mile E/O Pacific Ave
RouteFederal Lands Road 0
StateArizona
Coordinates32.71747, -114.58158
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length37 ft (11.4 m)
Longest span36 ft (11 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2012)
Projected traffic50 by 2033
Trucks—
Lanes on structure2
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 byBureau of Reclamation
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 O&m Traffic over Main Outlet Drain Extens built?

It was built in 1966, making it 59 years old in 2025.

What condition is O&m Traffic over Main Outlet Drain Extens 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 February 2024.

How much traffic does O&m Traffic over Main Outlet Drain Extens carry?

About 20 vehicles per day (2012 count).

How long is O&m Traffic over Main Outlet Drain Extens?

The structure is 37 ft (11.4 m) long with a longest span of 36 ft (11 m) and a deck 17 ft wide.

Who owns O&m Traffic over Main Outlet Drain Extens?

It is owned by the Bureau of Reclamation.