US Bridges

I-17 Frontage RD over New River

Good

Maricopa County, Arizona · 0.2 MI S/ New River RD · Structure no. 10085

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
401 ft
5 main spans
Daily traffic
2,454
2020 count
Owner
County
County Highway Agency

About this bridge

I-17 Frontage RD over New River is a prestressed concrete continuous stringer/multi-beam or girder carrying I-17 Frontage RD over New River 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,454 vehicles a day, roughly 5% of them trucks, projected to reach 2,464 by 2040. The structure is 401 ft (122.2 m) long and 69 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI-17 Frontage RD
CrossesNew River
Location0.2 MI S/ New River RD
RouteCounty Highway 0
CountyMaricopa County
StateArizona
Coordinates33.91152, -112.14107
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length401 ft (122.2 m)
Longest span80 ft (24.4 m)
Deck width69 ft (21 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,454 (2020)
Projected traffic2,464 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-17 Frontage RD over New River built?

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

What condition is I-17 Frontage RD over New River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does I-17 Frontage RD over New River carry?

About 2,454 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I-17 Frontage RD over New River?

The structure is 401 ft (122.2 m) long with a longest span of 80 ft (24.4 m) and a deck 69 ft wide.

Who owns I-17 Frontage RD over New River?

It is owned by the County Highway Agency.