US Bridges

I-8 EB over Dublin Wash

Fair

Yuma County, Arizona · 14.6 MI E JCT US 95 · Structure no. 01566

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

About this bridge

I-8 EB over Dublin Wash is a concrete continuous slab carrying I-8 EB over Dublin 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 fair condition with a lowest component rating of 6 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 9,466 vehicles a day, roughly 26% of them trucks, projected to reach 9,476 by 2041. The structure is 40 ft (12.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-8 EB
CrossesDublin Wash
Location14.6 MI E JCT US 95
RouteInterstate 8
CountyYuma County
StateArizona
Coordinates32.6602, -114.3681
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum 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 length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 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 Dublin 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 Dublin Wash 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 January 2025.

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

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

How long is I-8 EB over Dublin Wash?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.

Who owns I-8 EB over Dublin Wash?

It is owned by the State Highway Agency.