US Bridges

Parks Road over I 40

Fair

Coconino County, Arizona · 12.4 MI East JCT SR 64 · Structure no. 00743

Built
1964
61 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
4 main spans
Daily traffic
1,380
2022 count
Owner
State
State Highway Agency

About this bridge

Parks Road over I 40 is a steel continuous stringer/multi-beam or girder carrying Parks 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 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 1,380 vehicles a day, roughly 10% of them trucks, projected to reach 1,390 by 2042. The structure is 261 ft (79.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesParks Road
CrossesI 40
Location12.4 MI East JCT SR 64
RouteCounty Highway 0
CountyCoconino County
StateArizona
Coordinates35.2552, -111.9388
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span79 ft (24.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,380 (2022)
Projected traffic1,390 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parks Road over I 40 built?

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

What condition is Parks 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 Parks Road over I 40 carry?

About 1,380 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Parks Road over I 40?

The structure is 261 ft (79.6 m) long with a longest span of 79 ft (24.1 m) and a deck 33 ft wide.

Who owns Parks Road over I 40?

It is owned by the State Highway Agency.