US Bridges

I 10 EB over I17 Ramps City Streets

Fair

Maricopa County, Arizona · At JCT of I 17 and I 10 · Structure no. 01935

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
7,111 ft
29 main spans
Daily traffic
112,747
2022 count
Owner
State
State Highway Agency

About this bridge

I 10 EB over I17 Ramps City Streets is a steel continuous stringer/multi-beam or girder carrying I 10 EB over I17 Ramps City Streets in Maricopa County, Arizona. It was built in 1988, so it is 37 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 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 112,747 vehicles a day, roughly 6% of them trucks, projected to reach 112,757 by 2042. The structure is 7,111 ft (2,167.4 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 10 EB
CrossesI17 Ramps City Streets
LocationAt JCT of I 17 and I 10
RouteInterstate 10
StateArizona
Coordinates33.4617, -112.1143
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2023
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans29 (+18 approach)
Design loadHS 20
Structure length7,111 ft (2,167.4 m)
Longest span187 ft (57 m)
Deck width79 ft (24.1 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic112,747 (2022)
Projected traffic112,757 by 2042
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$45,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 10 EB over I17 Ramps City Streets built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 10 EB over I17 Ramps City Streets 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 November 2023.

How much traffic does I 10 EB over I17 Ramps City Streets carry?

About 112,747 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is I 10 EB over I17 Ramps City Streets?

The structure is 7,111 ft (2,167.4 m) long with a longest span of 187 ft (57 m) and a deck 79 ft wide.

Who owns I 10 EB over I17 Ramps City Streets?

It is owned by the State Highway Agency.