US Bridges

I-8 EB over Dry Wash

Good

Yuma County, Arizona · 15.9 MI E JCT US 95 · Structure no. 00303

Built
1927
98 years old, rebuilt 1981
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
9,466
2021 count
Owner
State
State Highway Agency

About this bridge

I-8 EB over Dry Wash is a concrete continuous slab carrying I-8 EB over Dry Wash in Yuma County, Arizona. It was built in 1927 and reconstructed in 1981, so it is 98 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,466 vehicles a day, roughly 26% of them trucks, projected to reach 9,476 by 2041. The structure is 28 ft (8.5 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-8 EB
CrossesDry Wash
Location15.9 MI E JCT US 95
RouteInterstate 8
CountyYuma County
StateArizona
Coordinates32.6584, -114.3462
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width75 ft (22.8 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,466 (2021)
Projected traffic9,476 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway 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 I-8 EB over Dry Wash built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1981.

What condition is I-8 EB over Dry Wash 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 January 2025.

How much traffic does I-8 EB over Dry Wash carry?

About 9,466 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is I-8 EB over Dry Wash?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 75 ft wide.

Who owns I-8 EB over Dry Wash?

It is owned by the State Highway Agency.