US Bridges

I 8 EB & WB over Wash

Fair

Yuma County, Arizona · 53.3 MI E JCT US 95 · Structure no. 05253

Built
1955
70 years old, rebuilt 1978
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
9,836
2022 count
Owner
State
State Highway Agency

About this bridge

I 8 EB & WB over Wash is a concrete continuous culvert carrying I 8 EB & WB over Wash in Yuma County, Arizona. It was built in 1955 and reconstructed in 1978, so it is 70 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 9,836 vehicles a day, roughly 26% of them trucks, projected to reach 9,846 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 39.8 mi (64 km).

CarriesI 8 EB & WB
CrossesWash
Location53.3 MI E JCT US 95
RouteInterstate 8
StateArizona
Coordinates32.72988, -113.72615
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,836 (2022)
Projected traffic9,846 by 2042
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 8 EB & WB over Wash built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1978.

What condition is I 8 EB & WB over 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 March 2023.

How much traffic does I 8 EB & WB over Wash carry?

About 9,836 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I 8 EB & WB over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns I 8 EB & WB over Wash?

It is owned by the State Highway Agency.