US Bridges

I 40; WB over Partridge Creek

Fair

Yavapai County, Arizona · 3.72 MI W JCT SR 89 · Structure no. 00457

Built
1955
70 years old, rebuilt 1981
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
7,553
2022 count
Owner
State
State Highway Agency

About this bridge

I 40; WB over Partridge Creek is a steel continuous stringer/multi-beam or girder carrying I 40; WB over Partridge Creek in Yavapai County, Arizona. It was built in 1955 and reconstructed in 1981, so it is 70 years old, older 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 7,553 vehicles a day, roughly 31% of them trucks, projected to reach 7,563 by 2042. The structure is 147 ft (44.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 40; WB
CrossesPartridge Creek
Location3.72 MI W JCT SR 89
RouteInterstate 40
StateArizona
Coordinates35.2212, -112.5394
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span54 ft (16.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,553 (2022)
Projected traffic7,563 by 2042
Trucks31%
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 40; WB over Partridge Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1981.

What condition is I 40; WB over Partridge Creek 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 September 2024.

How much traffic does I 40; WB over Partridge Creek carry?

About 7,553 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is I 40; WB over Partridge Creek?

The structure is 147 ft (44.8 m) long with a longest span of 54 ft (16.5 m) and a deck 45 ft wide.

Who owns I 40; WB over Partridge Creek?

It is owned by the State Highway Agency.