US Bridges

Hunt Road over I-40

Fair

Navajo County, Arizona · 12.2 MI W JCT SR 77 · Structure no. 00930

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
87
2022 count
Owner
State
State Highway Agency

About this bridge

Hunt Road over I-40 is a steel continuous stringer/multi-beam or girder carrying Hunt Road over I-40 in Navajo County, Arizona. It was built in 1968, so it is 57 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 5 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 87 vehicles a day, roughly 13% of them trucks, projected to reach 97 by 2042. The structure is 250 ft (76.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesHunt Road
CrossesI-40
Location12.2 MI W JCT SR 77
RouteCounty Highway 0
CountyNavajo County
StateArizona
Coordinates34.9225, -110.2607
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span78 ft (23.8 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2022)
Projected traffic97 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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$1,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hunt Road over I-40 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Hunt Road over I-40 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 Hunt Road over I-40 carry?

About 87 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Hunt Road over I-40?

The structure is 250 ft (76.2 m) long with a longest span of 78 ft (23.8 m) and a deck 31 ft wide.

Who owns Hunt Road over I-40?

It is owned by the State Highway Agency.