US Bridges

Rmp I 17N to 101E over S Frontage Road

Fair

Maricopa County, Arizona · SE Quadrant of 17/101 Ti · Structure no. 02168

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
488 ft
3 main spans
Daily traffic
12,082
2020 count
Owner
State
State Highway Agency

About this bridge

Rmp I 17N to 101E over S Frontage Road is a prestressed concrete continuous box beam or girders - single or spread carrying Rmp I 17N to 101E over S Frontage Road in Maricopa County, Arizona. It was built in 1997, so it is 28 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 12,082 vehicles a day, roughly 7% of them trucks, projected to reach 12,092 by 2040. The structure is 488 ft (148.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRmp I 17N to 101E
CrossesS Frontage Road
LocationSE Quadrant of 17/101 Ti
RouteInterstate 17
StateArizona
Coordinates33.6678, -112.1117
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating79 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length488 ft (148.7 m)
Longest span185 ft (56.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,082 (2020)
Projected traffic12,092 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Rmp I 17N to 101E over S Frontage Road built?

It was built in 1997, making it 28 years old in 2025.

What condition is Rmp I 17N to 101E over S Frontage Road 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 June 2024.

How much traffic does Rmp I 17N to 101E over S Frontage Road carry?

About 12,082 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Rmp I 17N to 101E over S Frontage Road?

The structure is 488 ft (148.7 m) long with a longest span of 185 ft (56.4 m) and a deck 39 ft wide.

Who owns Rmp I 17N to 101E over S Frontage Road?

It is owned by the State Highway Agency.