US Bridges

I-17 NB over Ash Creek

Good

Yavapai County, Arizona · 6.5 MI N JCT SR 69 · Structure no. 00754

Built
1963
62 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
201 ft
7 main spans
Daily traffic
13,818
2023 count
Owner
State
State Highway Agency

About this bridge

I-17 NB over Ash Creek is a concrete continuous slab carrying I-17 NB over Ash Creek in Yavapai County, Arizona. It was built in 1963, so it is 62 years old, older 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 13,818 vehicles a day, roughly 16% of them trucks, projected to reach 13,828 by 2042. The structure is 201 ft (61.3 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-17 NB
CrossesAsh Creek
Location6.5 MI N JCT SR 69
RouteInterstate 17
StateArizona
Coordinates34.406, -112.0719
Functional classRural Principal Arterial - Interstate

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span30 ft (9.1 m)
Deck width49 ft (14.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,818 (2023)
Projected traffic13,828 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-17 NB over Ash Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-17 NB over Ash Creek 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 I-17 NB over Ash Creek carry?

About 13,818 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-17 NB over Ash Creek?

The structure is 201 ft (61.3 m) long with a longest span of 30 ft (9.1 m) and a deck 49 ft wide.

Who owns I-17 NB over Ash Creek?

It is owned by the State Highway Agency.