US Bridges

IRR I 40; WB over Hawthorne RD

Fair

Apache County, Arizona · 15.2 MI E JCT US 191 · Structure no. 00676

Built
1964
61 years old, rebuilt 1976
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
7,849
2022 count
Owner
State
State Highway Agency

About this bridge

IRR I 40; WB over Hawthorne RD is a concrete continuous slab carrying IRR I 40; WB over Hawthorne RD in Apache County, Arizona. It was built in 1964 and reconstructed in 1976, so it is 61 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 7,849 vehicles a day, roughly 45% of them trucks, projected to reach 7,859 by 2042. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIRR I 40; WB
CrossesHawthorne RD
Location15.2 MI E JCT US 191
RouteInterstate 40
CountyApache County
StateArizona
Coordinates35.31061, -109.10711
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 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 (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,849 (2022)
Projected traffic7,859 by 2042
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR I 40; WB over Hawthorne RD built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1976.

What condition is IRR I 40; WB over Hawthorne RD 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 July 2024.

How much traffic does IRR I 40; WB over Hawthorne RD carry?

About 7,849 vehicles per day (2022 count), of which roughly 45% are trucks.

How long is IRR I 40; WB over Hawthorne RD?

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 IRR I 40; WB over Hawthorne RD?

It is owned by the State Highway Agency.