Taxiway Sierra over Sky Harbor Boulevard
FairMaricopa County, Arizona · West of Terminal 4 · Structure no. 10606
- Built
- 2006
- 19 years old
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 492 ft
- 6 main spans
- Daily traffic
- 500
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Taxiway Sierra over Sky Harbor Boulevard is a prestressed concrete continuous box beam or girders - single or spread carrying Taxiway Sierra over Sky Harbor Boulevard in Maricopa County, Arizona. It was built in 2006, so it is 19 years old, younger 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 510 by 2041. The structure is 492 ft (150 m) long and 214 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Taxiway Sierra over Sky Harbor Boulevard built?
It was built in 2006, making it 19 years old in 2025.
What condition is Taxiway Sierra over Sky Harbor Boulevard 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 March 2023.
How much traffic does Taxiway Sierra over Sky Harbor Boulevard carry?
About 500 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Taxiway Sierra over Sky Harbor Boulevard?
The structure is 492 ft (150 m) long with a longest span of 90 ft (27.4 m) and a deck 214 ft wide.
Who owns Taxiway Sierra over Sky Harbor Boulevard?
It is owned by the City or Municipal Highway Agency.