US Bridges

Jefferson Street over I 17

Fair

Maricopa County, Arizona · 5.6 MI N of JCT I 10 · Structure no. 00554

Built
1959
66 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
2 main spans
Daily traffic
9,522
2021 count
Owner
State
State Highway Agency

About this bridge

Jefferson Street over I 17 is a prestressed concrete stringer/multi-beam or girder carrying Jefferson Street over I 17 in Maricopa County, Arizona. It was built in 1959, so it is 66 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 9,522 vehicles a day, roughly 5% of them trucks, projected to reach 9,532 by 2041. The structure is 133 ft (40.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJefferson Street
CrossesI 17
Location5.6 MI N of JCT I 10
RouteCity Street 0
StateArizona
Coordinates33.447, -112.1084
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span65 ft (19.8 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,522 (2021)
Projected traffic9,532 by 2041
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 Jefferson Street over I 17 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Jefferson Street over I 17 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 Jefferson Street over I 17 carry?

About 9,522 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Jefferson Street over I 17?

The structure is 133 ft (40.5 m) long with a longest span of 65 ft (19.8 m) and a deck 64 ft wide.

Who owns Jefferson Street over I 17?

It is owned by the State Highway Agency.