I-40 EB over Franconia Wash

Good

Mohave County, Arizona · 3.8 MI E JCT SR 95 · Structure no. 01591

Built: 1972; 53 years old, rebuilt 2016
Condition: Good; inspected May 2024
Type: Slab; Concrete Continuous
Length: 164 ft; 5 main spans
Daily traffic: 7,831; 2022 count
Owner: State; State Highway Agency

About this bridge

I-40 EB over Franconia Wash is a concrete continuous slab carrying I-40 EB over Franconia Wash in Mohave County, Arizona. It was built in 1972 and reconstructed in 2016, so it is 53 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 7,831 vehicles a day, roughly 56% of them trucks, projected to reach 7,841 by 2042. The structure is 164 ft (50 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 EB

CrossesFranconia Wash

Location3.8 MI E JCT SR 95

RouteInterstate 40

CountyMohave County

StateArizona

Coordinates34.7367, -114.2506

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.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMay 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation7: Better than present minimum criteria

Deck geometry8: Equal to present desirable criteria

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating99 US tons

Inventory rating61.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans5

Design loadHL 93

Structure length164 ft (50 m)

Longest span35 ft (10.7 m)

Deck width45 ft (13.6 m)

Roadway width42 ft (12.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,831 (2022)

Projected traffic7,841 by 2042

Trucks56%

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-40 EB over Franconia Wash built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2016.

What condition is I-40 EB over Franconia 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 May 2024.

How much traffic does I-40 EB over Franconia Wash carry?

About 7,831 vehicles per day (2022 count), of which roughly 56% are trucks.

How long is I-40 EB over Franconia Wash?

The structure is 164 ft (50 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns I-40 EB over Franconia Wash?

It is owned by the State Highway Agency.