US Bridges

Spitz Springs Road over I 40

Fair

Coconino County, Arizona · 9.9 MI East JCT SR 64 · Structure no. 00742

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
5 main spans
Daily traffic
100
2024 count
Owner
State
State Highway Agency

About this bridge

Spitz Springs Road over I 40 is a steel continuous stringer/multi-beam or girder carrying Spitz Springs Road over I 40 in Coconino County, Arizona. It was built in 1964, 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 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 100 vehicles a day, projected to reach 110 by 2042. The structure is 350 ft (106.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSpitz Springs Road
CrossesI 40
Location9.9 MI East JCT SR 64
RouteCounty Highway 0
CountyCoconino County
StateArizona
Coordinates35.2471, -111.9791
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
Deck7 GoodSome minor problems.
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 inspectionAugust 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span94 ft (28.7 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic110 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$2,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spitz Springs Road over I 40 built?

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

What condition is Spitz Springs 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 August 2024.

How much traffic does Spitz Springs Road over I 40 carry?

About 100 vehicles per day (2024 count).

How long is Spitz Springs Road over I 40?

The structure is 350 ft (106.7 m) long with a longest span of 94 ft (28.7 m) and a deck 33 ft wide.

Who owns Spitz Springs Road over I 40?

It is owned by the State Highway Agency.