US Bridges

Navajo Road over I-40

Fair

Apache County, Arizona · 7.5 MI W JCT US 191 · Structure no. 00709

Built
1962
63 years old, rebuilt 2012
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
686
2022 count
Owner
State
State Highway Agency

About this bridge

Navajo Road over I-40 is a steel continuous stringer/multi-beam or girder carrying Navajo Road over I-40 in Apache County, Arizona. It was built in 1962 and reconstructed in 2012, 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 686 vehicles a day, roughly 25% of them trucks, projected to reach 696 by 2042. The structure is 250 ft (76.2 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesNavajo Road
CrossesI-40
Location7.5 MI W JCT US 191
RouteCounty Highway 0
CountyApache County
StateArizona
Coordinates35.1278, -109.5435
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating38 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 (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic686 (2022)
Projected traffic696 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Navajo Road over I-40 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2012.

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

About 686 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is Navajo 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 Navajo Road over I-40?

It is owned by the State Highway Agency.