US Bridges

I-40; Ramp B over Ash Fork Creek

Fair

Yavapai County, Arizona · 0.1 MI W JCT SR 89 · Structure no. 01767

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
146 ft
2 main spans
Daily traffic
1,529
2022 count
Owner
State
State Highway Agency

About this bridge

I-40; Ramp B over Ash Fork Creek is a concrete continuous tee beam carrying I-40; Ramp B over Ash Fork Creek in Yavapai County, Arizona. It was built in 1980, so it is 45 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 1,529 vehicles a day, roughly 24% of them trucks, projected to reach 1,539 by 2042. The structure is 146 ft (44.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40; Ramp B
CrossesAsh Fork Creek
Location0.1 MI W JCT SR 89
RouteInterstate 40
CountyYavapai County
StateArizona
Coordinates35.2201, -112.4761
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span72 ft (21.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,529 (2022)
Projected traffic1,539 by 2042
Trucks24%
Lanes on structure1
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; Ramp B over Ash Fork Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is I-40; Ramp B over Ash Fork 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 June 2024.

How much traffic does I-40; Ramp B over Ash Fork Creek carry?

About 1,529 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is I-40; Ramp B over Ash Fork Creek?

The structure is 146 ft (44.5 m) long with a longest span of 72 ft (21.9 m) and a deck 29 ft wide.

Who owns I-40; Ramp B over Ash Fork Creek?

It is owned by the State Highway Agency.