US Bridges

Ramp N-N over I-17

Good

Yavapai County, Arizona · JCT SR 69 · Structure no. 02938

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
398 ft
2 main spans
Daily traffic
6,114
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp N-N over I-17 is a prestressed concrete continuous box beam or girders - single or spread carrying Ramp N-N over I-17 in Yavapai County, Arizona. It was built in 2012, so it is 13 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 6,114 vehicles a day, roughly 10% of them trucks, projected to reach 6,124 by 2042. The structure is 398 ft (121.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesRamp N-N
CrossesI-17
LocationJCT SR 69
RouteInterstate 17
CountyYavapai County
StateArizona
Coordinates34.3281, -112.1209
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating74 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length398 ft (121.3 m)
Longest span215 ft (65.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,114 (2023)
Projected traffic6,124 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Ramp N-N over I-17 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ramp N-N over I-17 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 2024.

How much traffic does Ramp N-N over I-17 carry?

About 6,114 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ramp N-N over I-17?

The structure is 398 ft (121.3 m) long with a longest span of 215 ft (65.5 m) and a deck 43 ft wide.

Who owns Ramp N-N over I-17?

It is owned by the State Highway Agency.