US Bridges

I-40 WB over Hibbard Road

Fair

Navajo County, Arizona · 7.8 MI E JCT SR 87 · Structure no. 00673

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
10,681
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over Hibbard Road is a concrete continuous slab carrying I-40 WB over Hibbard Road in Navajo County, Arizona. It was built in 1962, so it is 63 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 10,681 vehicles a day, roughly 35% of them trucks, projected to reach 10,691 by 2041. The structure is 90 ft (27.4 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-40 WB
CrossesHibbard Road
Location7.8 MI E JCT SR 87
RouteInterstate 40
CountyNavajo County
StateArizona
Coordinates34.9757, -110.5258
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span33 ft (10.1 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,681 (2021)
Projected traffic10,691 by 2041
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over Hibbard Road built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-40 WB over Hibbard Road 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 May 2023.

How much traffic does I-40 WB over Hibbard Road carry?

About 10,681 vehicles per day (2021 count), of which roughly 35% are trucks.

How long is I-40 WB over Hibbard Road?

The structure is 90 ft (27.4 m) long with a longest span of 33 ft (10.1 m) and a deck 43 ft wide.

Who owns I-40 WB over Hibbard Road?

It is owned by the State Highway Agency.