US Bridges

I 8; WB over I 8; EB

Fair

Yuma County, Arizona · 18.2 MI E JCT US 95 · Structure no. 00972

Built
1967
58 years old, rebuilt 1981
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
249 ft
3 main spans
Daily traffic
9,859
2024 count
Owner
State
State Highway Agency

About this bridge

I 8; WB over I 8; EB is a steel continuous stringer/multi-beam or girder carrying I 8; WB over I 8; EB in Yuma County, Arizona. It was built in 1967 and reconstructed in 1981, so it is 58 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 9,859 vehicles a day, roughly 26% of them trucks, projected to reach 9,869 by 2042. The structure is 249 ft (75.9 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI 8; WB
CrossesI 8; EB
Location18.2 MI E JCT US 95
RouteInterstate 8
CountyYuma County
StateArizona
Coordinates32.669, -114.3143
Functional classRural Principal Arterial - Interstate

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length249 ft (75.9 m)
Longest span103 ft (31.4 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,859 (2024)
Projected traffic9,869 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 8; WB over I 8; EB built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1981.

What condition is I 8; WB over I 8; EB 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 October 2024.

How much traffic does I 8; WB over I 8; EB carry?

About 9,859 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is I 8; WB over I 8; EB?

The structure is 249 ft (75.9 m) long with a longest span of 103 ft (31.4 m) and a deck 45 ft wide.

Who owns I 8; WB over I 8; EB?

It is owned by the State Highway Agency.